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Background: University students' attitude and desire to use stimulants and hallucinogens are mainly aroused as a result of their ignorance or lack of knowledge. Objectives: The present study was to evaluate the knowledge, attitude, and performance of medical students in Ilam regarding the use of stimulants. Methods: This cross-sectional study encompassed 451 students from the Ilam University of Medical Sciences in 2019. The demographic information questionnaire, Addiction Susceptibility Questionnaire (ASQ), and Questionnaire of Knowledge, Attitude, and Behavior were used to collect the required data. Moreover, there were reports of mean and standard deviation for quantitative variables and frequency and percentage for qualitative variables. Chi-square, ANOVA, and independent-samples t-tests were used to examine the relationship among the research variables. Results: A majority of students were undergraduates (> 60%), and about 33% of the participants were medical students. About 8% of the participants reported the lifetime use of stimulants. Moreover, 40% of students had insufficient knowledge, and the participants’ mean score of attitude was 16. There was a significant relationship between students' knowledge with their age, marital status, faculty, and level of education. Moreover, there was a significant relationship between the participants’ performance with age, level of education, and faculty. A significant relationship was also detected between the students’ attitude with their faculty and level of education. Conclusions: The medical students’ knowledge level was not satisfactory. Accordingly, training sessions and counseling programs are recommended to increase their knowledge and improve their attitudes.

Context: Self-immolation is one of the most violent methods of suicide and is considered a psychosocial problem. Objectives: The purpose of this study was to investigate the forms of self-immolation in Iran using a systematic review and meta-analysis method. Data Sources: In this study, seven papers published from 1999 to January 2020 were selected using keywords such as self-immolation and Iran in SID, Google Scholar, PubMed, Web of Science (ISI), Scopus, and Elsevier databases. Study Selection: Study selection was done by two independent researchers. The results of studies were pooled using the Freeman-Tukey Double Arcsine Transformation method. The heterogeneity among studies was checked using the Q-test and I2 index. Data Extraction: Data were extracted using a data extraction form. Results: The total sample size was 9,470. The mortality rate in self-immolation subjects was estimated at 64% (95% CI: 0.56 - 0.73). The most important means of self-immolation was oil [89% (95% CI: 82% - 96%). Winter had the highest numbers of self-immolation [29% (95% CI: 22% - 37%). Meta-regression showed no significant correlation between the mortality of self-immolation and the year of study. Conclusions: To reduce self-immolation, easy access to oil must be restricted in families, and high-risk people should have access to psychology consultation.

Context: Depression is a common problem during pregnancy. Depression has several adverse effects on the mother and infant. Evidence Acquisition: The present study was conducted to investigate the prevalence of depression in pregnant women in Iran. This study was performed based on the Preferred Reporting Items for systematic reviews and meta-analyses (PRISMA) guidelines. We searched the literature in the national and international databases, including Magiran, Barakat knowledge network system, SID, RICST, Iranian National Library, IranDoc, Scopus, PubMed, Elsevier (Science Direct, Embase, and Scopus), Web of Science (ISI), and Google Scholar using Persian and English (MeSH) keywords. Cochran’s Q test and I2 index were used to assess the heterogeneity between studies. A random-effects model was used to estimate the pooled prevalence using comparative meta-analysis software ver. 2. Results: Forty studies containing 15,870 Iranian pregnant women were included in the Meta-analysis. The heterogeneity of the studies was estimated to be high (I2 = 99.70%, P < 0.001). The prevalence of depression was estimated to be 41.22% (95% CI: 33.88 - 48.96). The prevalence of mild, moderate, and severe depression was estimated to be 23.71% (95% CI: 16.39 - 33.01), 10.67% (95% CI: 7.02 - 15.98), and 4.30% (95% CI: 2.33 - 7.80), respectively. The lowest and highest depression prevalence was estimated in the West of Iran (34.41% [95% CI: 17.38 - 56.67]) and the South of Iran (51.69% [95% CI: 37.32 - 65.78]), respectively, and the test result for subgroup analysis was not significant (P = 0.60). Based on the subgroup analysis, the prevalence of depression in the first, second, and third trimester of pregnancy was estimated to be 50.52% (95% CI: 39.91 - 61.08), 44.96% (95% CI: 26.92 - 64.42), and 48.33% (95% CI: 36.64 - 60.20), respectively, and the test result for subgroup analysis was not significant (P = 0.11). Most of the studies (57.5%) used the Beck’s questionnaire to survey the prevalence of depression in pregnant Iranian women and the prevalence of depression according to this questionnaire was estimated to be 45.84% (95% CI: 35.47 - 56.60). Conclusions: According to the high prevalence of depression in pregnant Iranian woman, identification and treatment of depression during pregnancy seem essential. Thus, program designing and implementation are recommended for improving the psychological health of pregnant women.