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BACKGROUND: The prevalence and burden of substance and opium use have increased worldwide over the past decades. In light of rapid population changes in Tehran, we aimed to evaluate the prevalence of opium and other substance use among adult residents in Tehran, Iran. METHOD: From March 2016 to March 2019, we utilized data from 8 296 participants in the Tehran Cohort Study recruitment phase (TeCS). We calculated the age-sex-weighted prevalence of substance use and the geographic distribution of substance use in Tehran. We also used logistic regression analysis to determine possible determinants of opium use. RESULT: We analyzed data from 8 259 eligible participants with complete substance use data and the average age of participants was 53.7 ± 12.75 years. The prevalence of substance use was 5.6% (95% confidence interval [CI]: 4.6- 7.1%). Substance use was more common in males than females (Prevalence: 10.5% [95% CI: 8.6- 12.6%] vs. 0.5% [95% CI: 0.2- 1.2%], respectively). The age-sex weighted prevalence of substance use was 5.4% (95% CI: 4.6-7.1%). Moreover, opium was the most frequently used substance by 95.8% of substance users. Additionally, we found that male gender (Odds ratio [OR]: 12.1, P

Long-term exposure to Volatile Organic Compounds (VOCs) is a health risk for citizens. In this study, the cumulative health risk of exposure to VOCs in Tehran was assessed by investigating the concentration of these pollutants in ambient air in a five-year period. Health risk assessment was calculated by the quantitative method and the carcinogenic risk level was determined using the lifetime carcinogenic risk (LCR) method. The average concentration of benzene, toluene, ortho-xylene, and ethylbenzene was 1.4–1.8, 4.8–5.4, 5–6.5, and 3.6–4 ppb, respectively. Although HQ was not greater than 1, but it was very close in the case of benzene, ortho-xylene, meta-xylene, and para-xylene. Benzene and ethylbenzene had the largest effect in the assessed health risk. So the long-term exposure of Tehran citizens to VOCs has serious health consequences for them, which could be different according to the exposure time and spatial variations. [ABSTRACT FROM AUTHOR]

Background & Objective: Breast cancer has the highest incidence among all cancers, and its incidence is increasing rapidly in many countries worldwide, including Iran. In this study, epidemiological and pathological factors were investigated in patients with breast cancer. Materials & Methods: This cross-sectional study included 476 patients with a confirmed diagnosis of breast cancer in Tehran, Dr. Moini Breast Clinic, from 2019 to 2021. Results: The mean age of the patients was 50.2±11.40 years, of which 80.9% were over 40 years. Ductal carcinoma was the most common in terms of histology (81.7%), and most patients had grade II diseases (63.6%). According to hormonal receptors, 73.8% of women were estrogen receptor-positive, 68.9% were progesterone receptor-positive, and 18.9% were triple-negative. There was a significant relationship between grade and lymph node involvement (P-value = 0.00) and also a significant relationship between metastasis and grade (P-value = 0.00) and between metastasis and lymph node involvement (P-value = 0.00). Conclusion: The results of this study show that breast cancer has a high prevalence in Iranian women in Tehran, mainly in the 4th and 5th decades of life. HER-2 (epidermal growth factor 2 receptor overexpression) and triple negatives were the least prevalent subgroups. Considering that diagnosis occurs late and approximately 63.6% of patients are in grade 2, it is necessary to implement programs in the field of screening and prevention in the female population of this province. [ABSTRACT FROM AUTHOR]

Background: Identifying the factors affecting emotional divorce due to the negative consequences of this social problem in women can play an important role in preventing its occurrence. Therefore, the present study aimed to investigate the relationship between internet addiction, domestic violence, and emotional divorce among married women in Tehran. Methods: A cross-sectional survey was conducted among married women in Tehran, Iran. Sampling was conducted first through a multi-stage cluster method and then continued using a random method. Tehran was divided into five parts: central, northern, southern, eastern, and western. The sample size was divided by 5, resulting in 80 participants selected from each part. In each part, two regions were selected, and in each region, 40 houses were randomly selected. Researchers visited the selected houses, and the questionnaires were filled out at home by the women. Tools such as Gottman's Emotional Divorce Test, Young's Internet Addiction Test, and the Domestic Violence against Women Survey were used to collect data. Descriptive and inferential statistics were used to analyze the data in SPSS (version 24) software. Results: A total of 400 women participated in the study. 46% of all married women suffered emotional divorce. The analysis of these tests showed that are positive and significant relationships between emotional divorce and internet addiction (r = 0.626, p < 0.0001), emotional divorce and domestic violence (r = 0.632, p < 0.0001), and internet addiction and domestic violence (r = 0.455, p < 0.0001). It was also found that there are significant negative relationships between emotional divorce and both the level of education (r=-0.115, p = 0.021) and employment status (r=-0.512, p < 0.0001). Additionally, there are significant negative relationships between internet addiction and age (r=-0.285, p < 0.0001), duration of marriage (r=-0.237, p < 0.0001) and employment status (r=-0.694, p < 0.0001). Furthermore, it was revealed that there are significant negative relationship between domestic violence and age (r=-0.104, p = 0.037) and level of education (r=-0.156, p = 0.002). Conclusion: Almost half of the married women in this study experienced emotional divorce, internet addiction, and domestic violence. These factors have a direct relationship with emotional divorce. Future studies are needed to understand how internet addiction might be associated with separation, emotional divorce and family problems. [ABSTRACT FROM AUTHOR]

Background: Earthquake is a natural disaster that threaten large parts of Iran. In addition to the preparedness of relief organizations, people should know how to protect themselves from possible damages. Tehran, the capital of Iran, is prone to earthquakes and citizens' preparedness for possible earthquakes should be improved. This study aims to measure the safe emergency evacuation knowledge of citizens in Tehran, in case of an earthquake. Materials and Methods: This is a cross-sectional study that was conducted on 602 residents of Tehran (all 22 districts) aged ≥15 years in 2022. Data were collected using a researchermade questionnaire with acceptable validity and reliability to measure the knowledge of safe placement and safe evacuation. Results: The mean knowledge score of citizens was 8.8 out of 20. The knowledge score was significantly higher in women than in men, in people under the age of 64, in those with higher level of education, in students/housekeepers and employed people, in people who had received relevant information from the educational programs prepared by the municipality and educational textbooks, and in those living in privileged urban areas. Nearly 25% of people had not received any education related to earthquake. Radio/TV programs and educational textbooks were the most common sources of information. Conclusion: There is a need to improve the knowledge of safe emergency evacuation during an earthquake among the residents of Tehran. In addition to formal education in schools/universities, citizens need appropriate training courses in other centers with the help of social media. Planning in this area should be attractive to motivate citizens to acquire more disaster knowledge. [ABSTRACT FROM AUTHOR]

The worldwide population growth and increasing urbanization of the past few decades have brought with it unplanned development of urban areas, affecting not only environmental quality but also increasing vulnerability during natural hazards and disrupting crisis management. Public open space, as a suitable spatial element, provides the necessary possibility for effective crisis management in cities. The metropolis of Tehran, the capital city of Iran, is located on a plain threatened by numerous faults. The population density in hazardous zones and the lack of potential to deal with earthquakes have increased the city's vulnerability. Therefore, because the organization of urban development for the efficient management of cities requires sufficient understanding of the needs and attention to the level of vulnerability, the seismic resistance of Tehran metropolis based on the earthquake risk has been investigated. In the earthquake risk assessment, population density as the number of risk elements, lack of enough public open space and urban fabric as vulnerability, and ground motion values expressed in the form of horizontal peak ground acceleration, have been considered as hazard components. Then, in the current study, to improve emergency services and the ease of crisis management, priority development of public open space has been determined based on international standards of the World Health Organization, the Public Health Bureau USA, the European Union, and the United Nations. The results showed reducing the seismic risk of regions 4, 8, 10, 14, and 17 in Tehran is priority. [ABSTRACT FROM AUTHOR]

Objective: This study aims to identify the sociological dimensions and typology of emotional divorce in Tehran. Methods and Materials: The study employs a qualitative research approach with a phenomenological strategy. The statistical population includes couples aged between 25 to 40 years. Using purposive sampling, 21 participants were selected based on theoretical saturation. Data collection was conducted through semi-structured interviews. For data analysis, open coding and axial coding processes were used to extract relevant structures and indicators. The reliability of the coding process was ensured through re-coding and high levels of agreement. Findings: The research identified four main categories of emotional divorce, encompassing 14 initial codes and 55 semantic codes. The primary dimensions identified include compulsory living, lack of emotional behavior towards the spouse, emotional void, and changes in emotional relationships. Additionally, six types of emotional divorce were identified: lack of emotional support, communicative divorce, sexual divorce, reduced empathy, attentional divorce, and respect divorce. These types were derived from a detailed analysis of 82 semantic codes collected from the interview data. Conclusion: Emotional divorce is a complex and multifaceted phenomenon with profound and long-lasting effects on family and social relationships. The study underscores the importance of considering sociological factors in mitigating the negative impacts of emotional divorce. The findings suggest that appropriate training in communication and emotional management skills can significantly reduce the likelihood of emotional divorce. These insights are valuable for family counselors, psychologists, and policymakers in developing effective strategies and policies to enhance marital quality and prevent emotional divorce. [ABSTRACT FROM AUTHOR]

In this research, the deformation pattern of Alborz is investigated using a combination of data from the new permanent GPS networks that belong to State Organization for Registration of Deeds and Properties (SHAMIM) and Tehran Municipality (SAMT), the new temporary IASBS_NCC network and the permanent and temporary stations of the National Cartographic Organization. The addition of the 27 new GPS stations has improved the obtained velocity field, which shows that the active deformation happens across the entire width of Alborz from south to north by several faults and active fault zones. Contrary to the common belief about the strain partitioning in the Alborz Mountains between the strike-slip faults in the southern flank of the Alborz and along the compressional south-dipping Khazar fault in the northern flank of the Alborz, the new velocity field indicates a spread of strike-slip and compressional movements along different faults across the width of the Alborz. In previous works, due to the lack of GPS stations between the Khazar fault and other active faults in the northern flank of the Alborz (e.g. North Alborz fault), all the observed deformation in the northern flank of the Alborz has been associated with the Khazar fault. In the improved velocity field, the presence of a new GPS vector between the North Alborz and the Khazar fault in the eastern part of the Alborz indicates a dominant role of the North Alborz fault in the strain accommodation once compared to the Khazar fault. Like the previous works, the new velocity field shows a lower total strain for the western Alborz, which is consistent with the lower observed seismicity in the western Alborz. The new velocity field indicates an active extensional system in the western Alborz in a longitude range of 49o to 50.5o around the Tarom Valley. The extensional system might be related to the counterclock wise rotation of the South Caspian Basin relative to Eurasia. The improved velocity field shows a noticeable strike-slip motion of 2 mm/yr at the northern edge of Central Iran which could be related to the Aran-Torud fault zone and Attari fault. There is also a shortening rate of ~2 mm/yr between the northern edge of Central Iran and the Eastern Alborz which could be related to the salt tectonic within the Great Kavir fault. The improved velocity field shows a right-lateral strike-slip motion of ~1 mm/yr across the Indes and Kushk-Nosrat faults. Despite the observed large seismic activity and a geological slip rate of 2 mm/yr for the eastern part of the Mosha fault, both strike-slip and compressional slip rates along the Mosha fault are less than 1 mm/yr. Within a radius of ~50 km from the center of Tehran metropolitan area, there is no noticeable rate of strike-slip or compressional movement and the strain rate is around the error limit or less than 1 mm/yr. The low strain rate implies a very long earthquake return period for large earthquakes in Tehran metropolitan area. [ABSTRACT FROM AUTHOR]

Cities play a critical role in anthropogenic CO2 emissions, which exacerbate climate change and impact urban populations. Urban green infrastructure, such as urban trees, provides essential ecosystem services, including reducing atmospheric CO2 levels. However, there is a significant knowledge gap regarding the impact of urban trees on climate change in semiarid, polluted cities like Tehran, the capital and largest metropolis of the Middle East. This study assesses the carbon sequestration and storage potential of Tehran's urban infrastructure using the i-Tree Eco model. A randomized cluster sampling method was employed, collecting data on species composition, diameter at breast height (DBH), and total tree height. The results indicate that Tehran's urban trees sequester approximately 60,102 tons of carbon per year, equivalent to 220,393 tons of CO2. The net carbon storage in urban trees is about 254,579 tons, equivalent to 933,455 tons of CO2. Parks and urban green spaces demonstrate the highest rate of carbon sequestration per hectare, followed by urban services land use. Prioritizing the planting of species with high sequestration rates like Cupressus arizonica (Arizona cypress) and Cupressus sempervirens L. var. horizontalis (Mediterranean cypress) could enhance carbon sequestration efforts in Tehran. These data provide valuable insights into the carbon sequestration potential and environmental impact of different land use types, and may aid in the development of effective environmental policies and land management strategies in semiarid urban areas and other cities in similar settings. [ABSTRACT FROM AUTHOR]

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Abstract Background Identifying the factors affecting emotional divorce due to the negative consequences of this social problem in women can play an important role in preventing its occurrence. Therefore, the present study aimed to investigate the relationship between internet addiction, domestic violence, and emotional divorce among married women in Tehran. Methods A cross-sectional survey was conducted among married women in Tehran, Iran. Sampling was conducted first through a multi-stage cluster method and then continued using a random method. Tehran was divided into five parts: central, northern, southern, eastern, and western. The sample size was divided by 5, resulting in 80 participants selected from each part. In each part, two regions were selected, and in each region, 40 houses were randomly selected. Researchers visited the selected houses, and the questionnaires were filled out at home by the women. Tools such as Gottman’s Emotional Divorce Test, Young’s Internet Addiction Test, and the Domestic Violence against Women Survey were used to collect data. Descriptive and inferential statistics were used to analyze the data in SPSS (version 24) software. Results A total of 400 women participated in the study. 46% of all married women suffered emotional divorce. The analysis of these tests showed that are positive and significant relationships between emotional divorce and internet addiction (r = 0.626, p

Abstract Background The prevalence of type 2 diabetes mellitus (T2DM) in the population covered by the Tehran University of Medical Sciences is unclear but crucial for healthcare programs. This study aims to validate four non-laboratory risk-score models, the American Diabetes Association (ADA) Risk Score, Australian Type 2 Diabetes Risk Assessment Tool (AUSDRISK), Finnish Diabetes Risk Score (FINDRISC), and TOPICS Diabetes Screening Score, for identifying undiagnosed diabetes and indirectly estimate the prevalence of T2DM in a subset of the Tehranian population using the selected model. Methods This research consisted of two main parts. In the first part, non-laboratory risk-score models to identify undiagnosed T2DM were validated using Iranian data from STEPs 2016 survey. The model performance was evaluated through the Area Under the Curve (AUC) and calibration via the observed-to-expected (O/E) ratio. Additional independent data from STEPs 2011 survey in Iran were utilized to test the model results by comparing indirect prevalence estimates with observed estimates. In the second part, the prevalence of T2DM was estimated indirectly by applying the selected model to a representative random sample from a Tehranian population telephone survey conducted in 2023. Results Among the different models used, AUSDRISK showed the best performance in both discrimination (AUC (95% confidence interval (CI)): 0.80 (0.78, 0.81)) and calibration (O/E ratio = 1.01). After updating the original model, there was no change in the AUC value or calibration. Additionally, our findings indicate that the indirect estimates are nearly identical to the observed values in STEPs 2011 survey. In the second part of the study, by applying the recalibrated model to a subsample, the indirect prevalence of undiagnosed diabetes and T2DM (95% CI) were estimated at 4.18% (3.87, 4.49) and 11.1% (9.34, 13.1), respectively. Conclusion Given the strong performance of the model, it appears that indirect method can provide a cost-effective and simple approach to assess disease prevalence and intervention effectiveness. Graphical Abstract

Background and objectives: Bicycle-sharing is a relatively new idea, but concerns about its popularity, benefits, and potential harms behind it have sparked heated debate in the public and academic circles. However, there is still a gap between describing the phenomenon and evaluating its effectiveness. Therefore, a correct understanding of the decision-making processes in the adoption and use of shared bicycle systems can enable operators to plan their services in a more optimal way. The bicycle distribution system, if planned well, can play a complementary role in the existing transportation infrastructure. Due to the recent growth of bicycle sharing systems in large countries such as China, Europe, and the United States, there is a great interest in identifying factors influencing this system to encourage people using it. Therefore, one of the most important challenges in this field is the factors affecting the level of user satisfaction, and better identification and understanding of these factors can help improve the user experience and increase the use of this system. So far, many researches have been conducted on the components affecting the functional stability of the shared bicycles system, for example Si et al. in 2020 found that factors of efficiency, economic benefits, environmental awareness, and infrastructure incentives influence the willingness to use the shared bicycle system. Also, other studies in this field have found factors such as mental norms, behavioural norms, appearance quality, ease of use, flexibility, and safety to be effective on the willingness to use the shared bicycle system (X. Li et al., 2022; Shao et al., 2020; Zhou & Zhang; 2018). But this issue has not been fully investigated yet. Dockless Bicycle Sharing system (DBSS) with different brand names such as: Mobicycle, Ofo, Youbicycle, etc., and recently with Bidood brand, have been expanded in Iran. Therefore, according to the issues and needs raised, as well as the few studies that have been conducted in the field of investigating the efficiency and use of shared bicycles in Iran, especially in the metropolis of Tehran, the current research seeks to identify the factors affecting the use of the bicycle sharing system in Tehran in the field of urban planning and policy making, to provide guidance for city managers and operators of the shared bicycle system.Methods: In the current research, structural equation modelling (SEM) has been used to analyse latent variables, their relationships and test hypotheses according to the conceptual model of the research. It used the simple random sampling method and the required data was collected through a questionnaire, the items of which were mainly obtained from the review of the literature related to shared bicycles, its mechanism, and the presented conceptual model. A questionnaire was distributed both face-to-face and non-face-to-face (through virtual platforms such as Eitaa etc.). To check the validity and reliability of the measurement tool, improve the questions, format and scales, a pilot study of potential participants was conducted. Finally, 270 questionnaires were collected, and after screening the data, 248 questionnaires were approved. Descriptive analysis of collected data was done through SPSS version 26.0, such as data screening, frequencies, percentages and reliability analysis, and AMOS version 26.0 software was used for modelling, model analysis and hypothesis testing.Results and conclusion: Based on findings, the five components defined in the conceptual model, including quality and performance, distribution and parking, comfort and flexibility, safety and environment, and the usefulness of services, affect the satisfaction and use of users of the shared bicycle system. The results of the squared multiple correlations, which express the degree of explanation of the data variance by the model, showed that the five variables in question constitute 64% of the variance of the satisfaction variable (R2 = 0.64), with comfort and flexibility having the greatest impact on the satisfaction and use of the shared bicycle system. After that, quality and performance, service desirability, safety and environment, and distribution and parking have the most impact respectively. The findings indicate that the better the quality and performance, the conditions of distribution and parking, and the comfort and flexibility of the shared bicycle system, the greater the satisfaction and the amount of usage. In the same way, the more the shared bicycle system has higher safety and provides better services to users (have more safety and desirability), the more satisfaction and the amount of usage will be. The findings from the descriptive statistics showed that the quality and performance of bicycle sharing in terms of lightness and easy portability of bodies, beautiful design and lock function, the condition of distribution and parking of shared bicycles, the ease of access and parking, the number of bicycles, the method of deployment and management, the comfort and flexibility of bicycle sharing in terms of ease of movement in traffic, the freedom of action in choosing the route and ease of access to public transportation, and the safety of bicycles and cycling paths are not at acceptable levels. On the other hand the bicycle sharing system was considered acceptable by respondents in terms of environmental (low pollution and reduction of carbon consumption). The service quality of the bicycle sharing system was found not at a suitable level in terms of rental cost, reasonable deposit, application performance and QR sensitivity. In terms of the compatibility of the application (APP) with the mobile operating system and the ease of the registration process, however they were found at a relatively favourable level. The findings of the descriptive statistics from the satisfaction variable showed that the overall satisfaction of the users (tendency to reuse and recommend this system to others) is at a very low level, but if the services is improved, they will accept this green transportation system.The purpose of this study is to identify the factors affecting the use of shared bicycle systems in Tehran metropolis, to provide guidance for city managers and relevant operators in the field of planning, decision-making and policy making. The results of this research showed that 5 components: quality and performance, distribution and parking, comfort and flexibility, safety and environment, and the desirability of service influence the satisfaction and use of the shared bicycle system. Therefore, it is necessary for managers and urban planners and policymakers to take measures to improve the performance level of the five components proposed in this research, including the integration of shared bicycle system with public transportation, better management of distribution and parking of bicycles, increase safety of bicycles and improvement of servic

Abstract Considering the toxicological effects of some heavy metals (HMs) in which directly related to mortality and carcinogenicity in the population by their entrance from plants through livestock grazing, and medical skin cream, the rehabilitation of contaminated sites through phytoremediation by native plants might be quite challenging. Diplotaenia damavandica Mozaff. ex-Hedge & Lamond, is used as medical skin creams due to the existence of specific ingredients, which can be effective in treating skin disease. In the present study, the plant and associated soil sampling were performed around the boundary of D. damavandica. The concentration was measured using the Inductively coupled plasma mass spectrometry (ICP-MS). The results revealed the effect of existing endemic plants on reducing the average concentration of lead and zinc in soil by 40 and 60%, respectively, due to phytoremediation. EDX confirmed the presence of Pb and Zn in root and shoot tissues. Based on the results of this study, D. damavandica is an endemic perennial herbaceous plant with 60% biomass and prosperous root systems, which can grow in low contaminated areas of Pb in the southeast of Damavand Mt. Hence, the HMs pattern indicated less often in the aerial parts except for lead, which should be examined more carefully for skin cream uses.

Industrialization and modernization have had a significant impact on various aspects of society including architecture, urban planning, environment, climate, and geography. This impact is evident in phenomena such as the construction of high rise buildings, climate inversion, and environmental degradation. Many of the problems observed in recent decades can be attributed to population growth, migration, and changing needs of citizens. As a result, city managers and architects face significant challenges. The main objective of this article is to conduct a theoretical study on the use of residential towers, with a particular focus on sustainable social development and its implications for environmental protection in Tehran. This research adopts a descriptive -analytical approach and has both applied and theoretical purposes. It is also part of a survey that employs both quantitative and qualitative research methods. The sample size for this study was 384 participants, and data were collected using questionnaires. The data analysis was conducted using SPSS software. The most significant finding of this research is that population growth has fueled the construction of tall buildings, which in turn has contributed to issues such as excessive consumption of natural resources and fossil fuels, destruction of natural habitats, decline in social interactions, climate change, increased traffic congestion, and heightened air pollution. These issues have become a complex and seemingly insurmountable crisis. [ABSTRACT FROM AUTHOR]

In the era of knowledge, the rapid advancement of information and communication technology (ICT) is considered a crucial factor in addressing the growing environmental, social, and economic challenges in urban areas. Knowledge -based cities, leveraging this technology, are at the forefront of enhancing the quality of life for residents and the efficiency of services towards achieving sustainable urban development. This study aims to explore the potential and application of ICT in knowledge -based urban development. The data analyzed were collected through a survey of 66 experts from the Deputy of Urban Planning in the 22 districts of Tehran Municipality, ensuring theoretical saturation. Structural equation modeling and the partial least squares approach, utilizing Smart PLS3 software, were employed for data analysis. The findings indicate that the variables of ICT application and potential, as well as knowledge -based urban development in Tehran, and their respective components, scored an average ranging from 3.5 to 4.3 on a 5 -point Likert scale, suggesting a relatively stable status. Furthermore, the coefficient for the impact of ICT application and potential on knowledge -based urban development exceeded 0.96, confirming the main model of this research. The outcome suggests that investing in research and development of ICT can serve as a solution to overcome the limitations of knowledge -based urban development in the Tehran metropolis. [ABSTRACT FROM AUTHOR]

The rapid and ongoing trend of metropolises transitioning into global cities and world cities is influenced by the increasing political, economic, cultural, and scientific dimensions of the urban political geography. Cities, as dynamic entities, evolve from new cities to mother cities, metropolises, global cities, and ultimately world cities. In this competitive environment, metropolises strive to enhance their level of competitiveness vis - à -vis their counterparts. In this study, the researcher compares the performance of Tehran and Istanbul, two metropolises in the Islamic world, based on the criteria and functions of world cities. The researcher employs an index developed by political geography scholars who specialize in studying world cities. The objective is to determine the ranking of these cities among world cities. To accomplish this, relevant maps have been prepared using ArcMap software, and numerical indicators and criteria have been analyzed in a descriptive -analytical manner. The analysis reveals that Istanbul outperforms Tehran in most indicators and occupies a strong position in the network society and flow space of global cities. This can be attributed to factors such as geopolitical location, an open economic environment, and other indicators. The results of this comparative study can guide city administrators in designing a more suitable future landscape for these cities, ultimately leading to achieving global city status. [ABSTRACT FROM AUTHOR]

Toxocariasis is a common zoonotic parasitic disease, primarily caused by the larvae of Toxocara canis or T. cati. Humans become infected through accidental ingestion of infective eggs in soil contaminated with feces of infected animals, or by consuming undercooked meat from paratenic hosts harboring Toxocara larvae. This cross-sectional study aimed to evaluate the seroprevalence of Toxocara spp. in 250 mothers and their 250 neonates referred to selected teaching hospitals affiliated with Shahid Beheshti University of Medical Sciences, Tehran, Iran in 2020. Data were recorded using a specialized questionnaire, and serum and peripheral blood smears (for eosinophil count) were collected. Serum samples were tested using the ELISA serological test for IgG antibodies against Toxocara spp. The collected data were analyzed using IBM SPSS Statistics software version 21.0. A chi-square test was performed, and a P value less than 0.05 was considered statistically significant. Among the 500 participants, 24 cases (4.8%) tested positive for anti-Toxocara canis IgG antibodies. Seropositive cases included 6 mothers only (25%), 6 neonates only (25%), and 12 cases both mother and their neonate (50%). Statistical analysis showed a significant relationship between the presence of anti-Toxocara antibodies and hospital type and nationality (P value < 0.05). However, no significant relationship was found between the presence of antibodies and other demographic variables such as age, sex, eosinophilia, and history of contact with animals in mothers and their neonates (P value > 0.05). This study indicates a substantial rate Toxocara infection in mothers and neonates, necessitating appropriate preventive measures by the relevant authorities. [ABSTRACT FROM AUTHOR]

Background: Earthquake is a natural disaster that threaten large parts of Iran. In addition to the preparedness of relief organizations, people should know how to protect themselves from possible damages. Tehran, the capital of Iran, is prone to earthquakes and citizens’ preparedness for possible earthquakes should be improved. This study aims to measure the safe emergency evacuation knowledge of citizens in Tehran, in case of an earthquake. Materials and Methods: This is a cross-sectional study that was conducted on 602 residents of Tehran (all 22 districts) aged ≥15 years in 2022. Data were collected using a researcher-made questionnaire with acceptable validity and reliability to measure the knowledge of safe placement and safe evacuation. Results: The mean knowledge score of citizens was 8.8 out of 20. The knowledge score was significantly higher in women than in men, in people under the age of 64, in those with higher level of education, in students/housekeepers and employed people, in people who had received relevant information from the educational programs prepared by the municipality and educational textbooks, and in those living in privileged urban areas. Nearly 25% of people had not received any education related to earthquake. Radio/TV programs and educational textbooks were the most common sources of information. Conclusion: There is a need to improve the knowledge of safe emergency evacuation during an earthquake among the residents of Tehran. In addition to formal education in schools/universities, citizens need appropriate training courses in other centers with the help of social media. Planning in this area should be attractive to motivate citizens to acquire more disaster knowledge.

Abstract Neospora spp. and Toxoplasma gondii are two closely related protozoan parasites that are widely distributed throughout the world. Horses can act as intermediate hosts for both parasites and can acquire disease. Blood samples were taken from 487 clinically healthy horses from 17 different mechanized stables in Tehran, the capital of Iran, during September and November of 2022. IFAT and ELISA were employed to detect antibodies directed against Neospora spp. and T. gondii. The anti-N. caninum antibodies were detected in 52 of the horses (10.67%) based on IFAT and in 86 of the 487 horses (17.65%) based on the ELISA test. Also, antibodies against T. gondii were detected in 41 horses (8.42%) based on IFAT and in 63 of 487 horses (12.94%) based on the ELISA test. Also, in 6 of the horses (1.23%) based on IFAT and in 13 of the 487 horses (2.67%) based on the ELISA test, double positivity suggested co-infection with both parasites. Gender, age groups, and the presence of dogs for neosporosis, and age groups and the presence of cats for toxoplasmosis, could be considered factors having an influence on the seroprevalences (P

This article looks at the life of Henry Holdship Ware (1908-1999), the grandson of the founder of Atlanta University. Captain Henry H. Ware was an aide and interpreter to Major General John Deane, Chief of the U.S. Military Mission to the Soviet Union during World War 2. In this capacity, he was an interpreter with the U.S. Army assigned to the Tripartite Conference in Moscow (1943) and Conferences at Tehran (1943) and Yalta (1945), and a liaison officer and interpreter during Operation Frantic, a joint American-Soviet campaign of shuttle bombing missions in Poltava, Ukraine, in June-September 1944. He was also present at the official surrender of the armed forces of Nazi Germany at Karlshorst on May 8, 1945, and interpreted toasts at the banquet of celebration after the ceremony. Henry Ware learnt Russian during his five-year stay as a student at Plekhanov Institute in Moscow, where he studied economics and was recruited by the NKVD to report on the American community in Moscow. Back in the USA, he was independently recruited by the Golos-Bentley Soviet espionage network under the codename 'Vick'. In 1975, probably inspired by his study of the Soviet economy, he founded the Useful Services Exchange (USE), a community-based organization in Reston, Virginia, enabling neighbors to help each other through the exchange of services. The discussion draws on available visuals, memoirs, newspaper sources, and declassified documents.

Abstract Background Insufficient physical activity (PA) is a major risk factor for non-communicable diseases (NCDs) and one of the leading causes of premature mortality worldwide. This study examined the prevalence and independent determinants of insufficient PA among adults resident of Tehran utilizing Tehran Cohort Study Data (TeCS). Method We used the recruitment phase data from the TeCS with complete data on PA. PA was assessed through a Likert-scaled question and categorized into three groups. Utilizing data from the 2016 national census, the age- and sex-weighted prevalence of insufficient PA in Tehran was determined. The adjusted logistic regression model is used to neutralize influencing factors and determine the factors associated with insufficient PA. Result The weighted prevalence of insufficient PA was 16.9% among the 8213 adult citizens of Tehran, with a greater prevalence among females (19.0% vs. 14.8% among males). Additionally, older age groups, unemployed, housewives, and illiterate educated participants displayed a much higher prevalence of insufficient PA (p 30: 1.85, 95% CI: 1.56–2.18, p

Abstract Background The World Health Organization defines mental health as a combination of two dimensions: the negative dimension, or negative mental health, which indicates the presence of mental disorders, symptoms, and problems, and the positive dimension, or positive mental health, which includes emotions and positive personal characteristics such as self-esteem, resilience against environmental challenges, a sense of integrity, and self-efficacy. The aim of the present study was to investigate the role of internet addiction and academic resilience in predicting the mental health of high school students in Tehran, Iran. Method The research method employed was a survey. 758 people participated in the study, and the samples consisted of high school students in Tehran during the academic year 2022–2023. The process of collecting information was carried out by distributing the questionnaire link through virtual networks and schools. The research utilized Young’s Internet Addiction Test, Samuels’ Academic Resilience Inventory, and Goldberg’s Mental Health Questionnaire as the research tools. Statistical tests, including Pearson’s correlation and multiple regression analysis, were employed to investigate the relationships between variables. Result The effect of internet addiction on mental health (ß=0.39) is negative and significant at the 0.001 level, while the effect of academic resilience on mental health (ß=0.66) is positive and significant at the 0.001 level. These two variables collectively predict 53% of the variance in students’ mental health. This indicates that as internet addiction increases among students, their mental health significantly decreases, whereas higher levels of academic resilience correspond to higher mental health. Conclusions This study has elucidated the role of internet addiction and academic resilience in predicting the mental health of high school students in Tehran. Given the significance of adolescent mental health, it is imperative for healthcare professionals and other stakeholders to develop intervention and prevention models to address mental health crises and plan for the enhancement of adolescent mental health.

This paper analyses the intertwined impacts of the 2018 US sanctions on Iran and the COVID-19 pandemic (as examples of unplanned international conflicts and global crises) on the source and extent of air pollution in Tehran, the capital of Iran. The impacts are parametrized using the levels of criteria air pollutants (CAP) for 5 years (2015–2020), which were previously deweathered using the promising machine learning technique of Random Forest (RF). The absolute principal component scores-multiple linear regression (APCS-MLR) method and the bivariate polar plot (BPP) technique are used here to analyze the source apportionment profile of the city for the business as usual (BAU; 2015 to 2018), sanctions (2019), and COVID-19 and sanctions (2020) intervals. The results show the severe impact of the 2018 US sanctions on Tehran's air quality (AQ); O3, NO2, CO, PM2.5, and PM10 levels increased by 117%, 55%, 20%, 35%, and 10%, respectively, while SO2 levels decreased by 30%. The sanctions also triggered a number of events, such as the disruption of the high-grade fuel supply chain and the Mazut crisis, which directly or indirectly accelerated the photochemical production of local tropospheric ozone to some extent. Sanctions also disrupted Tehran's AQ response to the pandemic, with CAP levels decreasing by only 2–7% during the pandemic. The ozone and PM10 BPPs show that the source apportionment profile of the city is dominated by local anthropogenic emission sources, especially urban transport, after the sanctions and the pandemic. Results also show that the impact of soft wars, such as the US sanctions against Iran, on urban air quality degradation is much stronger than that of hard wars, such as the Russia-Ukraine war. [ABSTRACT FROM AUTHOR]

Birds of various families and genera comprise a notable proportion of veterinary clients in veterinary practice. Regarding the scarcity of information on avian coccidia in pet birds, this study was designed to investigate and identify the diversity of gastrointestinal coccidian protozoa in caged pet birds. Accordingly, droppings samples were collected in 2.5% potassium dichromate and examined for the presence of oocysts by wet smear and by flotation with the saturated salt solution. Detected oocysts were further morphologically specified. Special Modified Ziehl-Neelsen stain was used for the detection of Cryptosporidium spp. oocysts. Out of the 145 droppings that were collected for parasitological investigations, it was discovered that a Japanese quail (Coturnix japonica) had a Cryptosporidium sp. infection (1/145: 0.7%). Additionally, Isospora spp. was found in a common mynah and a canary (2/145: 1.4%), while Eimeria sp. was detected in a canary (1/145: 0.7%). Studied birds were clinically normal and no signs of intestinal infection were observed. The oocysts are described morphologically in detail and compared with the available data. Periodic faecal examination should be recommended for monitoring intestinal parasites in pet birds both from a public health perspective for Cryptosporidium and for avian host health in the case of non-zoonotic parasites. Additionally, the identification of parasite/host species composition will enhance our understanding of species diversity and the variety of hosts that coccidian parasites are capable of infecting. [ABSTRACT FROM AUTHOR]

Neospora spp. and Toxoplasma gondii are two closely related protozoan parasites that are widely distributed throughout the world. Horses can act as intermediate hosts for both parasites and can acquire disease. Blood samples were taken from 487 clinically healthy horses from 17 different mechanized stables in Tehran, the capital of Iran, during September and November of 2022. IFAT and ELISA were employed to detect antibodies directed against Neospora spp. and T. gondii. The anti-N. caninum antibodies were detected in 52 of the horses (10.67%) based on IFAT and in 86 of the 487 horses (17.65%) based on the ELISA test. Also, antibodies against T. gondii were detected in 41 horses (8.42%) based on IFAT and in 63 of 487 horses (12.94%) based on the ELISA test. Also, in 6 of the horses (1.23%) based on IFAT and in 13 of the 487 horses (2.67%) based on the ELISA test, double positivity suggested co-infection with both parasites. Gender, age groups, and the presence of dogs for neosporosis, and age groups and the presence of cats for toxoplasmosis, could be considered factors having an influence on the seroprevalences (P < 0.05). The results proved the importance of the urgent implementation of stringent regulatory measures to prevent and control the spread of these parasites. [ABSTRACT FROM AUTHOR]

Background: Urban spaces that are designed in line with the principles of sustainability play a big role in creating green behavior patterns among citizens. This research aims to investigate the position of environmental design and compliance with the principles of sustainability in cities on the environmental model of citizens. Methods: The research uses a quantitative and qualitative and practical approach. The sample size consisted of 884 people, and data was collected through a questionnaire and analyzed with SPSS software. Also, the UCL Depthmap software and the space layout method were used to evaluate the structure of the spatial configuration, which has a significant correlation with the design of urban residential areas as indicated by previous studies. Results: The results showed that the highest average depth is related to the main entrance streets to Valiasr Street, Tajrish, and Chamran Highway in Tehran with a numerical value of 3.86, while the lowest numerical value recorded was 0.05. The high level of depth value shows that access to other spaces is done by passing through many intermediate spaces, and these spaces lack a clear and direct connection with each other. As a result, these spaces are characterized by limited movement patterns. Among the factors considered by citizens, the most influential factor was "no urban air pollution", with a coefficient of 0.91, followed by the index of "cleanliness of urban roads" with a weight of 0.86. The lowest weight belongs to the "Urban open spaces" index, which scored 0.59. Conclusion: In conclusion, the establishment of sustainable urban development indicators can prompt behavioral changes in citizens, leading them to align their behavioral patterns with environmental considerations. Certain indicators, such as emphasizing air quality, implementing effective waste management practices for green spaces and urban parks, and promoting the presence of tourist attractions in the city, are more important compared to other factors. [ABSTRACT FROM AUTHOR]

Today's urban life has encountered with a number of challenges especially in social and spatial arenas. Socio-economic inequalities, sometimes, emerges in the form of spatial inequality. Tehran, as a metropolis and capital, enjoys effective system with higher sensitivities in national system. The city, though, with a multi and complex system has brought a large population under its arena but at the same time it is considered imbalanced with continuous growth and development. In other words, Tehran, despite a role model for macro socio-economic system, suffers from spatial disparity and imbalanced services. One of the most obvious and sharp characteristics of Tehran is its north-south spatial inequality and polarization thanks to modernisation and its elements such as cars and emerging business districts. In the post-1979 Islamic revolution, the gap between rich and poor and spatial inequality in Tehran has widened despite the promise otherwise. Urban planners and sociologists in Iran have conflicting views about the spatial disparity where some call it a historical trend and nothing to do with the globalisation process whereas others think vice versa. To know whether or not Tehran can be called a global city, the current paper tries to illustrate old and new emerging inequality patterns in Tehran. For that matter, the theory of' Global City (propounded by Saskia Sassen) has been analyzed based on spatial maps between 1996 and 2006. [ABSTRACT FROM AUTHOR]

Exposure to heavy metals can result in various adverse health effects. Tehran is rated as one of the world's most polluted cities. Green space workers are continuously exposed to such pollutants in this city. Thus, this study aimed to estimate the health risks caused by exposure to heavy metals among green space workers. Eighty-eight workers and office personnel in two regions with different air quality levels were chosen for sampling. Air samples were collected using the NIOSH-7300 method and analyzed using an Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) instrument. The hazard quotient (HQ) and the lifetime cancer risk (LTCR) were calculated to assess carcinogenic and non-carcinogenic risk levels. The results revealed that the rank order of heavy metals was determined as Zn, Pb, Mn, Ni, Co, and Cd. Workers were subjected to higher concentrations of Ni, Pb, Zn, and Co than office personnel. Furthermore, the Cd, Co, and Zn exposure levels stood significantly higher in region 6 than in region 14. Non-carcinogenic risk levels for all participants fell within the acceptable range. Moreover, no employee had a carcinogenic risk level within the acceptable range when exposed to Cd. Also, 2.3% of individuals demonstrated Ni's acceptable carcinogenic risk level. Owing unacceptable risk levels, proper interventions are required to minimize occupational exposure to heavy metals. These interventions include optimizing shift schedules, using personal protective equipment, and conducting regular health assessments. [ABSTRACT FROM AUTHOR]

Today, knowledge-based urban development (KBUD) is a model of development that seeks to achieve sustainability components through the strengthening of urban knowledge-based foundations to provide the grounds for continuous growth and development of the city by continuously injecting knowledge into productive activities. The purpose of this research is to identify and rank effective spatial and functional requirements to transform Tehran into a knowledge-based city. This research is based on a developmental-applicative goal in terms of nature and analytical-exploratory method. According to the purpose of the research, which is to identify the spatial and functional requirements of a Knowledge-based city, a combined documentary and field method was used to collect the necessary information, which is done in two main parts, descriptive and analytical. To compare and rank the identified spatial and functional requirements, the improved fuzzy hierarchical analysis model or fuzzy Buckley was used. The results of this research indicated that to transform the city of Tehran into a knowledge-based city, in the field of variable spatial requirements, the "multiplicity of knowledgebased companies" with a weight of 0.167 was the most important requirement for transforming the city of Tehran into a knowledge-based city after that, "development of knowledge-based industries" and "the existence of science and technology parks" are ranked in the next important positions with 0.148 and 0.133 ranks respectively, with a score of 0.163, the variable "absence of obstacles to the establishment of knowledge-based businesses" with a score of 0.144 and the variable "the presence of a field for attracting knowledge-based personnel" with a final score of 0.130 is in the first to third places of importance for transforming the city of Tehran into a knowledge-based city, respectively. In the end, some suggestions were made to achieve this goal. [ABSTRACT FROM AUTHOR]

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Purpose: The primary objective of this study was to evaluate the effectiveness of the Coping Abilities Workshop, a structured intervention designed to enhance selfregulation, improve social performance, and reduce aggression among first to third-grade primary school students exhibiting signs of Oppositional Defiant Disorder in Tehran, District 2. Methodology: This randomized controlled trial involved 60 students, evenly divided into an intervention and a control group. Each group comprised 30 participants, and the intervention spanned eight weeks, with follow-up assessments conducted three months post-intervention. Measurements for selfregulation, social performance, and aggression were taken using standardized tools at three time points: pre-intervention, post-intervention, and follow-up. The data were analyzed using ANOVA with repeated measures and Bonferroni posthoc tests, utilizing SPSS software version 27. Findings: Significant improvements were observed in the intervention group compared to the control. Post-intervention results showed substantial increases in self-regulation (mean pre = 32.45, SD = 4.12; mean post = 45.67, SD = 3.56) and social performance (mean pre = 28.54, SD = 2.95; mean post = 40.26, SD = 2.45), along with a notable reduction in aggression (mean pre = 35.60, SD = 5.12; mean post = 20.22, SD = 4.75). These effects were maintained at the three-month followup, indicating the lasting impact of the intervention. Conclusion: The Coping Abilities Workshop significantly enhanced selfregulation and social performance while effectively reducing aggression among primary school students with Oppositional Defiant Disorder. The intervention proved to have a sustainable impact, suggesting its potential for broader application in similar educational and behavioral settings. [ABSTRACT FROM AUTHOR]

Introduction Global warming threatens human survival in today's scenario; and has become an environmental challenge. The climate data shows the warming trend in many parts of the world, which has led to a wide range of climate effects such as reduced precipitation, drought, and the occurrence of extreme events. The increasing vulnerability of many urban areas, especially in developing countries, has been one of the main concerns of life. Therefore, examining the risk of risks caused by global warming on a national and local scale is a fundamental step to increase the readiness of urban areas to reduce current and future risks caused by climate change. Droughts have effects on vegetation, soil and freshwater quality, and etc., and are a serious ecological problem around the world, its impact on crops and water availability for humans can jeopardize human life. Although drought has always been common, the drought risk has become increasingly prominent because of the climatic warming that has occurred during the past century. Therefore, these effects of are noticeable in all climates, and Iran, having a dry and semi-arid climate, is one of the countries that is always at risk of drought, and this causes great economic damage to the country every year. in addition to this, the review of the history and climatic texts shows that the importance of the effects of climatic elements (rainfall and temperature) on the drought situation of the region in the coming period is essential. Until now, the study of global warming in terms of increasing the risk of drought using the sixth report and new climate data has not been studied in Tehran province. So this study aims to investigate the effects of climate change on increasing the risk of drought in Tehran province. Materials and Methods This research, First, the parameters (temperature and precipitation) for the synoptic stations (Abali, Shemiran, Mehrabad) for the period (1988-2020) were received from the Tehran Meteorological Organization. To projection in the future, down-scaling methods (SDSM-DC model) and The Mann-Kendall test were used to investigate the changes in temperature and precipitation. Climatic parameters change in space and time scale for many reasons. that these changes should be checked based on observations and statistical methods. Rainfall is one of those climate parameters that is not normal, and methods such as Menn-Kendall should be used to deal with such conditions; For this purpose, using Macro Excel, the value of age slope and Z statistic was calculated in the period (1988-2020) for the stations (Mehrabad, Shemiran and Abali) to investigate the trend of precipitation and temperature from the past to the present at a confidence level of 95-99% computed. In the following NetCDF data together with CanESM5 predictors from the base period (1979-2014) according to the most recent SSP release scenarios of the IPCC 6th Report were obtained from the Canadian Climate Change website. Among them, only Mehrabad station had a complete basic period compared to other stations, it was chosen as the selected station in Tehran. Drought indices are used as an index to track and quantify drought, this research is SPI index with DIC software has been used to evaluate the drought. in this index Precipitation, which has been one of its main components, whose output and results are more consistent with reality. Results and Discussion The results using the Mann-Kendall test showed that the examination of temperature changes in the stations (Mehrabad, Shemiran, Abali) was an increasing trend. Rainfall in most months of the year is a stable trend, only jumps are observed which can be justified by the increase in the frequency of rainfall. In the simulation with the CanESM5 model under the SSP5 scenario at Mehrabad station, the highest temperature was assigned to July and the highest rainfall will be in March. in this research, The drought survey showed that Mehrabad station experienced severe drought only during 1989-1993, while the duration of the drought period was longer in Abali and Shemiran stations and both of them faced very severe drought in 2014. in addition, this Investigation of three stations with a common period of 32 years in Tehran shows that Tehran has overcome the drought situation in recent years; But most of the time, the region may be in close to normal climatic conditions. But the risk of dry to very dry conditions will be very close. On the other, the results confirmed that drought depends on both rainfall and temperature. Conclusion As drought depends on both precipitation and temperature, The more the drought is accompanied by the trend of increasing temperature, decreasing precipitation, and the prediction of climate models, the more likely it is that climate change will occur due to global warming. As a result, the temperature of Tehran will increase. And while the rainfall is decreasing, it will be fluctuating and torrential. so In the future, Tehran's climate will have more fluctuations in rainfall and will be warmer than the current conditions. In addition, rains will occur more randomly but with more intensity. Tehran has had a drought in recent years, but most of the time the region has been in near-normal climatic conditions, but is the risk of dry and very dry conditions. This factor will create environmental challenges in the future. In addition to this, it is necessary to have a plan for climate risk management in the future due to the new climate of Tehran, which is prone to drought. [ABSTRACT FROM AUTHOR]

The temperature has been a highly discussed issue in climate change. Predicting it plays an essential role in human affairs and lives. It is a challenging task to provide an accurate prediction of air temperature because of its complex and chaotic nature. This issue has drawn attention to utilizing the advances in modelling capabilities. ARIMA is a popular model for describing the underlying stochastic structure of available data. Artificial Neural Networks (ANNs) can also be appropriate alternatives. In the literature, forecasting the temperature of Tehran using both techniques has not been presented so far. Therefore, this article focuses on modelling air temperatures in the Tehran metropolis and then forecasting for twelve months by comparing ANN with ARIMA. Particle Swarm Optimization (PSO) can help deal with complex problems. However, its potential for improving the performance of forecasting methods has been neglected in the literature. Thus, improving the accuracy of ANN using PSO is investigated as well. After evaluations, applying the seasonal ARIMA model is recommended. Moreover, the improved ANN by PSO outperforms the pure ANN in predicting air temperature. [ABSTRACT FROM AUTHOR]

This study investigates factors influencing housing prices in Tehran's metropolitan area and predicts their values. We analysed a sample of 32,162 housing units using Hedonic Model and Artificial Neural Networks for prediction and comparison. The Results indicate that distance to certain transportation facilities, such as airports, bus terminals, and road intersections, positively affects housing prices, potentially due to their capacity to attract traffic and environmental externalities. Conversely, distance to facilities like public bike stations and bus rapid transit stations negatively impacts prices, signalling their role in enhancing accessibility. Notably, ANN outperformed hedonic in predicting housing prices. These findings hold significant implications for policymakers, investors, and housing market stakeholders, shedding light on the intricate relationship between transportation infrastructure and housing prices. The study underscores the importance of employing diverse modelling methods to capture the non-linear dynamics of housing markets. These insights are crucial for evidence-based decision-making and can inform more effective policies and strategies in metropolitan Tehran and other similar cities. By aligning transportation policies with housing market needs, cities can enhance urban development and promote sustainable growth. [ABSTRACT FROM AUTHOR]

Effective waste management in Tehran faces significant challenges arising from urbanization and population growth. This study delves into the current state of municipal solid waste management in Tehran, examining technical, social, economic, environmental health, and structural dimensions to identify key issues. Data collection involved questionnaires and consultations with experts. Results indicate various problems, including incomplete waste production data recording systems, inefficient source separation programs, inappropriate waste storage, high collection frequencies, subpar compost production, unregulated informal waste picking, landfill non-compliance, and limited management capacities. Evidence-based solutions encompass comprehensive waste production monitoring systems, public education, improved storage infrastructure, reduced collection frequencies, modern composting technology adoption, and landfill upgrades. Policymaking recommendations include incentivizing informal waste collectors to formalize, preventing child labor, enhancing public participation, mitigating corruption, streamlining contracts, and promoting coordination. Overall, a collaborative approach, emphasizing personnel training, infrastructure enhancement, public awareness campaigns, and research and development, is pivotal in establishing an effective and sustainable waste management system in Tehran. This study contributes to crucial insights into Tehran's waste management challenges and offers potential pathways for improvement. [ABSTRACT FROM AUTHOR]

This article looks at the life of Henry Holdship Ware (1908-1999), the grandson of the founder of Atlanta University. Captain Henry H. Ware was an aide and interpreter to Major General John Deane, Chief of the U.S. Military Mission to the Soviet Union during World War 2. In this capacity, he was an interpreter with the U.S. Army assigned to the Tripartite Conference in Moscow (1943) and Conferences at Tehran (1943) and Yalta (1945), and a liaison officer and interpreter during Operation Frantic, a joint American-Soviet campaign of shuttle bombing missions in Poltava, Ukraine, in June–September 1944. He was also present at the official surrender of the armed forces of Nazi Germany at Karlshorst on May 8, 1945, and interpreted toasts at the banquet of celebration after the ceremony. Henry Ware learnt Russian during his five-year stay as a student at Plekhanov Institute in Moscow, where he studied economics and was recruited by the NKVD to report on the American community in Moscow. Back in the USA, he was independently recruited by the Golos-Bentley Soviet espionage network under the codename ‘Vick”. In 1975, probably inspired by his study of the Soviet economy, he founded the Useful Services Exchange (USE), a community-based organization in Reston, Virginia, enabling neighbors to help each other through the exchange of services. The discussion draws on available visuals, memoirs, newspaper sources, and declassified documents. [ABSTRACT FROM AUTHOR]

Introduction: Medication-related osteonecrosis of the jaw (MRONJ) is an important uncommon complication. Due to its complexity, its prevention requires a multidisciplinary approach, involving physicians and dental clinicians. Materials and Methods: This study aimed to assess the knowledge level of physicians prescribing bisphosphonates in Tehran, Iran, about dental considerations in such patients and the prevention and treatment of MRONJ in 2019. This descriptive, cross-sectional study evaluated 100 physicians (rheumatologists, endocrinologists, oncologists, and orthopedists) practicing in Tehran. A questionnaire comprising a demographic section and knowledge questions regarding dental considerations in patients taking bisphosphonates was administered among the physicians. The frequency of qualitative variables such as gender, type of specialty, and physicians’ responses to each question was calculated, and the knowledge scores were analyzed separately based on the physicians’ specialty types using one-way ANOVA followed by Tukey’s test for pairwise comparisons. The effect of different variables on knowledge scores was analyzed by simple regression. Results: The mean knowledge score of physicians was 5.19±1.78 (range 2-8). The mean knowledge score of oncologists was significantly higher than that of endocrinologists (5.88 versus 4.52, P=0.03). No other significant differences were noted. Work experience (P=0.04), age (P=0.02), orthopedics specialty (P=0.05), and oncology specialty (P=0.006) had significant effects on the knowledge score. Conclusion: Considering acquiring about 50% of the total score, physicians seem to have limited knowledge about dental considerations in patients taking bisphosphonates. Keywords: Knowledge; Tehran; Bisphosphonates; Bisphosphonate-associated osteonecrosis of the jaw.

Introduction Global warming threatens human survival in today's scenario; and has become an environmental challenge. The climate data shows the warming trend in many parts of the world, which has led to a wide range of climate effects such as reduced precipitation, drought, and the occurrence of extreme events. The increasing vulnerability of many urban areas, especially in developing countries, has been one of the main concerns of life. Therefore, examining the risk of risks caused by global warming on a national and local scale is a fundamental step to increase the readiness of urban areas to reduce current and future risks caused by climate change. Droughts have effects on vegetation, soil and freshwater quality, and etc., and are a serious ecological problem around the world, its impact on crops and water availability for humans can jeopardize human life. Although drought has always been common, the drought risk has become increasingly prominent because of the climatic warming that has occurred during the past century. Therefore, these effects of are noticeable in all climates, and Iran, having a dry and semi-arid climate, is one of the countries that is always at risk of drought, and this causes great economic damage to the country every year. in addition to this, the review of the history and climatic texts shows that the importance of the effects of climatic elements (rainfall and temperature) on the drought situation of the region in the coming period is essential. Until now, the study of global warming in terms of increasing the risk of drought using the sixth report and new climate data has not been studied in Tehran province. So this study aims to investigate the effects of climate change on increasing the risk of drought in Tehran province. Materials and Methods This research, First, the parameters (temperature and precipitation) for the synoptic stations (Abali, Shemiran, Mehrabad) for the period (1988-2020) were received from the Tehran Meteorological Organization. To projection in the future, down-scaling methods (SDSM-DC model) and The Mann-Kendall test were used to investigate the changes in temperature and precipitation. Climatic parameters change in space and time scale for many reasons. that these changes should be checked based on observations and statistical methods. Rainfall is one of those climate parameters that is not normal, and methods such as Menn-Kendall should be used to deal with such conditions; For this purpose, using Macro Excel, the value of age slope and Z statistic was calculated in the period (1988-2020) for the stations (Mehrabad, Shemiran and Abali) to investigate the trend of precipitation and temperature from the past to the present at a confidence level of 95-99% computed. In the following NetCDF data together with CanESM5 predictors from the base period (1979-2014) according to the most recent SSP release scenarios of the IPCC 6th Report were obtained from the Canadian Climate Change website. Among them, only Mehrabad station had a complete basic period compared to other stations, it was chosen as the selected station in Tehran. Drought indices are used as an index to track and quantify drought, this research is SPI index with DIC software has been used to evaluate the drought. in this index Precipitation, which has been one of its main components, whose output and results are more consistent with reality. Results and Discussion The results using the Mann-Kendall test showed that the examination of temperature changes in the stations (Mehrabad, Shemiran, Abali) was an increasing trend. Rainfall in most months of the year is a stable trend, only jumps are observed which can be justified by the increase in the frequency of rainfall. In the simulation with the CanESM5 model under the SSP5 scenario at Mehrabad station, the highest temperature was assigned to July and the highest rainfall will be in March. in this research, The drought survey showed that Mehrabad station experienced severe drought only during 1989-1993, while the duration of the drought period was longer in Abali and Shemiran stations and both of them faced very severe drought in 2014. in addition, this Investigation of three stations with a common period of 32 years in Tehran shows that Tehran has overcome the drought situation in recent years; But most of the time, the region may be in close to normal climatic conditions. But the risk of dry to very dry conditions will be very close. On the other, the results confirmed that drought depends on both rainfall and temperature. Conclusion As drought depends on both precipitation and temperature, The more the drought is accompanied by the trend of increasing temperature, decreasing precipitation, and the prediction of climate models, the more likely it is that climate change will occur due to global warming. As a result, the temperature of Tehran will increase. And while the rainfall is decreasing, it will be fluctuating and torrential. so In the future, Tehran's climate will have more fluctuations in rainfall and will be warmer than the current conditions. In addition, rains will occur more randomly but with more intensity. Tehran has had a drought in recent years, but most of the time the region has been in near-normal climatic conditions, but is the risk of dry and very dry conditions. This factor will create environmental challenges in the future. In addition to this, it is necessary to have a plan for climate risk management in the future due to the new climate of Tehran, which is prone to drought.

Objective(s): One of the undesirable consequences of the aging process is the feeling of loneliness and decrease in general health. Nowadays aging people are one of the most problems of sustainable development in each country in the world. Therefore, current research was aimed to determine the impact of loneliness on elderly health in west health care center of Tehran. Methods: This was descriptive- analytical research conducted cross- sectionally in 2020-2021. The research population was elderly people over 60 years old covered by west health center of Tehran. Determining the sample size was conducted by Krejcie and Morgan table to the number of 300. The list of elderly people extracted from Sib system, and selected by random table of numbers. The research tool were two questionnaires including GHQ-28 of Goldberg and loneliness feeling of elderly population (SELSA- S) that confirmed their validity and reliability. Descriptive results were reported by frequency, average, and also analytical results reported using by Pearson and variance analysis, and also linear regression. Results: Increased feeling of loneliness and poor mental health and social function were observed elderly people. Negative and significant feeling of loneliness and its components impacted on mental health among elderly people. There was no significant relationship between feeling of loneliness and gender. Conclusion: Decreased feeling of loneliness among elderly people might lead to improved mental health among elderly people. Therefore, due to the increasing elderly population in Iran, it is so important to design interventions and trainingprograms in order to create supportive conditions forelderly people.

As societies grow and develop, pollution has emerged as a fundamental management challenge in the contemporary world. This issue holds particular significance in developing countries where economic growth and environmental quality often clash in policy-making. Urban solid waste is a prevalent form of pollution afflicting cities, including Tehran. The pivotal question is whether the production of urban solid waste increases in tandem with citizens' incomes. This article delves into the relationship between the per capita income of Tehran residents and the volume of urban solid waste they generate within the Environmental Kuznets Curve (EKC) framework. Given that household activities directly drive municipal solid waste production, the findings of this study shed light on citizens' environmental preferences. Utilizing panel data from 2007 to 2016 across 22 districts of Tehran, the study confirms that the quadratic model hypothesis of the EKC adequately analyzes this relationship based on Wald's test. Additionally, utilizing the fixed effects method, the study demonstrates the significant impact of per capita income on waste generation. Moreover, the analysis includes population density and household size as control variables, revealing a negative correlation between population density and waste production, while the impact of household size remains statistically insignificant. Keywords: Solid Urban Waste, EKC, Panel Data, Tehran. Introduction The escalating population growth, urbanization expansion, and industrial development witnessed in recent decades have significantly elevated environmental concerns. A paramount issue among these concerns is the discharge of diverse pollutants, posing a pressing challenge for contemporary societies and garnering considerable attention from governmental entities, academia, and researchers. Waste, as a by-product of human endeavors, manifests in various dimensions and necessitates thorough examination. This study delves into the production of municipal solid waste (MSW) and its correlation with citizen income. The primary focus of this research is to scrutinize the interplay between citizens' income levels and waste generation, particularly waste directly emanating from households. The underlying research hypothesis posits that as citizens' income rises, there is an initial upsurge in consumption and subsequent waste production. However, as per capita income levels advance, it is anticipated that individuals' preferences will undergo a transformation. This evolution is envisaged to manifest as a heightened environmental conscientiousness, leading to a shift towards prioritizing environmental quality and consequently diminishing waste generation. Literature Review Within the realm of environmental economics, scholarly attention has been directed towards exploring the intricate relationship between waste generation and per capita income through the lens of the Environmental Kuznets Curve theory. This hypothesis posits an inverted U-shaped association between per capita income and environmental degradation, with a specific focus on urban solid waste within the scope of the present study. Over the recent years, the Environmental Kuznets Curve theory has been employed as a theoretical framework to elucidate the link between per capita income levels and the proliferation of diverse environmental pollutants. The term "Environmental Kuznets Curve" (EKC) was coined by (Dasgupta and Maler, 1994) owing to the resemblance of this curve to the fundamental Kuznets curve. Subsequently, (Shafik and Bandyopadhyay, 1992) posited, under the assumption of technological stability, consistent consumer preferences, and continued investment in environmental conservation, that escalating economic activities serve as a catalyst for environmental deterioration. Expounding on this notion, (Beckerman, 1992) delineated the presence of evidence showcasing environmental pollution during the early stages of economic advancement. Ultimately, Beckerman advocated for the augmentation of societal income as the paramount and most effective strategy to safeguard and ameliorate the environment. Methodology The focal point of this study revolves around the interplay between the income levels of Tehran's residents and the volume of solid waste generated by them. Urban solid waste emanates directly from household sources or urban establishments, indicative of the significant influence citizens possess over the production of this particular form of pollution. This investigation draws upon panel data encompassing 22 districts within Tehran. Specifically, the study incorporates data from the 22 districts under the purview of Tehran Metropolitan Municipality over a temporal span stretching from the year 2006 to 2016, totaling a duration of 10 years. The principal dependent variable under scrutiny pertains to the per capita quantity of waste generated by individuals, with this data sourced from official statistics released by the Municipality of Tehran through the Information and Communication Technology Organization. Results To initiate the model estimation process, the F-Limer's test was employed to ascertain the distinct impacts of individual sections. The test results unequivocally rejected the null hypothesis with complete certainty, signifying the inadequacy of assuming uniform origins across all regions. Consequently, the data conveys a nuanced perspective by embracing the notion of unique regional effects as opposed to a homogeneous data distribution. Subsequently, the Hausman test was utilized to discern the most appropriate estimation method between fixed effects and random effects. Upon a thorough examination of the statistical values within the table and the associated probabilities, it was determined that the random effect estimator should be disregarded with a probability exceeding 95%, thereby endorsing the utilization of the fixed effects method. Subsequently, the quadratic model was estimated employing the fixed effects approach. The estimated coefficients for the variables exhibit significance, barring the household dimension variable. Remarkably, the coefficient of the squared per capita income variable is not only negative but also statistically significant, underscoring the presence of an inverse U-shaped correlation between per capita income and urban solid waste production. This observation aligns with the Environmental Kuznets Curve (EKC) hypothesis, indicating that as the income of citizens in the 22 districts of Tehran rises, the initial surge in solid waste generation eventually plateaus and diminishes beyond a certain threshold. Moreover, the estimated coefficient for population density displays a negative and statistically significant relationship with urban solid waste production, elucidating that heightened population density inversely correlates with the amount of solid waste yielded by inhabitants. Discussion In specific districts within Tehran, the initiation of efforts to diminish urban waste generation has been spurred by income escalations, while in alternate areas; a decline in waste output is projected to transpire once a particular threshold of per capita income is reached. It is imperative to emphasize that these outcomes should not be construed to imply a passive reliance on income augmentation alone to address urban waste management issues, thereby underscoring the continued significance of espousing efficient policies within this domain.

Tobacco use is a major health concern worldwide, especially in low/middle-income countries. We aimed to assess the prevalence of cigarette smoking, waterpipe, and pipe use in Tehran, Iran. We used data from 8272 participants of the Tehran Cohort Study recruitment phase. Tobacco use was defined as a positive answer to using cigarettes, waterpipes, or pipes. Participants who did not report tobacco use during the interview but had a previous smoking history were categorized as former users. Age- and sex-weighted prevalence rates were calculated based on the national census data, and characteristics of current and former tobacco users were analyzed. Age- and sex-weighted prevalence of current tobacco users, cigarette smokers, waterpipe, and pipe users in Tehran was 19.8%, 14.9%, 6.1%, and 0.5%, respectively. Current tobacco use was higher in younger individuals (35-45 years: 23.4% vs. ≥ 75 years: 10.4%, P  12 years: 19.3% vs. illiterate: 9.7%, P

This article examines how human relationships with nature in the design of the Tehran Grand Bazaar can impact customer loyalty, and how this impact has been affected by the recent pandemic. As one of the most popular retail settings of the ancient Silk Road, the Grand Bazaar has a long history of micro-scale retailing and customer loyalty. This article reviews international guidelines of sustainable design using content analysis, identifying the most frequent guidelines related to human relationships with nature. It then defines customer loyalty in terms of various important non-financial measures of micro-scale retailing. The present article describes the development and collection of a structured survey conducted before the pandemic (March 2019), during the pandemic (March 2021), and after the pandemic (March 2023). The analysis shows a moderate to high relationship between sustainable design elements of the Bazaar (in terms of human relationships with nature) and customer loyalty before the COVID-19 pandemic. While this relationship fell to a moderate level in the middle of the pandemic, it rose dramatically to 89% by the end of the third year when governments eased public health and safety protocols. The results reveal that by adapting sustainable strategies that enhance human relationships with nature, designers and stakeholders can create post-pandemic retail settings that generate high customer loyalty. [ABSTRACT FROM AUTHOR]

This paper presents the results of a study carried out to develop a multi-severity casualty approach for predicting the number of fatalities and two levels of injuries resulting from an earthquake. The two levels of injuries are severity 1, which do not require hospitalization, and severity 2, which do require hospitalization. The method provides a probability distribution of casualty, which can assist policymakers and disaster management authorities in developing emergency response plans. The proposed approach takes into account two main sources of uncertainty: variations in ground motion values (by generating thousands of shaking maps considering the spatial correlation of intra-event uncertainty) and uncertainty in casualty rates (by using the fuzzy set theorem and random sampling). As a case study, the proposed method was applied to the Mosha fault seismic scenario (7.4 Mw) in Tehran, Iran. The results indicated that 200,300 people may lose their lives in that seismic scenario. Additionally, the number of injuries with severity 1 and severity 2 are estimated to be about 420,600 and 232,980, respectively. These numbers exceed the healthcare capacity in Tehran. The estimated number of fatalities was then compared with the results of some existing empirical models in the literature. This comparison revealed that the empirical models underestimate the number of fatalities due to various reasons, such as a lack of strong earthquakes in urban areas to be included in empirical models. Thus, the proposed approach has several advantages for estimating casualties in urban fabrics. [ABSTRACT FROM AUTHOR]

The Shahyad monument, which has served as a symbol of Tehran—and by extension of modern Iran—since its inauguration in 1971, stands at the center of a huge open space that has been successively appropriated by Pahlavis, revolutionaries, and the Islamic Republic and has been persistently mediated and remediated in its relatively short life. This contested urban monument embodies the complex story of a space in which multiple sets of illusions—a Pahlavi fantasy as well as a revolutionary dream—are undone. In this paper, the space's story is traced through varied types of media and archival material, including plans and architectural drawings, official reports and correspondences, and especially through journalistic photographs of the Square in 1979 and its representation in various media afterward. I examine shifts in this specific space at particular and historically grounded conjunctures, honing in not just on the site's meta-narratives and its grand spectacular events, but also on the decentralized and ignored narratives and histories, demonstrating how they have reworked the meaning of this monumental space, turning it into a stage for contrarian politics. Focusing on the monument during the 1978-79 Revolution, I argue that the transformations in the meaning and perception of the site at that particular moment are indeed forces of a fundamental remaking, in that they open up the monumental site to further appropriations, as we are currently witnessing. [ABSTRACT FROM AUTHOR]