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INTRODUCTION Previous studies have suggested that adolescents may smoke cigarettes to control weight, but relevant research is scarce in Chinese youth. This study was conducted to examine the associations of weight control related behaviors with cigarette smoking in Chinese students. METHODS This was a secondary analysis of data for 24835 middle and high school students drawn from the 2022 Zhejiang Youth Risk Behavior Survey of China which collected self-reported information of cigarette smoking, weight control strategies and other health-related behaviors. Multivariable logistic regression models were used to estimate the adjusted odds ratios (AORs) with 95% confidence intervals (CIs) for the study associations. RESULTS Overall, there were 998 (4.02%) current cigarette smokers in this wave of the Zhejiang YRBS (2022). Neither trying to control weight nor healthy weight control behavior of exercising was associated with current cigarette smoking (AOR=1.15; 95% CI: 0.97-1.37 and AOR=1.01; 95% CI: 0.85-1.20, respectively). Meanwhile, unhealthy weight control behaviors of taking laxatives (AOR=1.52; 95% CI: 1.03-2.26), taking diet pills (AOR=1.82; 95% CI: 1.26-2.62), dieting (AOR=1.24; 95% CI: 1.04-1.49), and fasting (AOR=1.81; 95% CI: 1.40-2.34) were significantly associated with increased odds of current cigarette smoking. CONCLUSIONS Screening and developing interventions for unhealthy weight control behaviors should be considered as part of smoking prevention programs among adolescents. [ABSTRACT FROM AUTHOR]

Obesity is an abnormal and potentially dangerous condition caused by excess body fat accumulation. The number of people with obesity is increasing worldwide. Obesity is the primary cause of various diseases; therefore, it is crucial to make efforts to control body weight. Identifying the factors that influence men with obesity to attempt to control and not control their weight is essential. The objective of this study was to create a prediction model for weight control experience among Korean men in their 30 s and 40 s. We analyzed data from the 2022 Community Health Survey and included 12,311 men who were overweight or obese. The men were divided into two groups based on their weight control experience: (1) Yes group (n = 9405) and (2) No group (n = 2906). Chi-square and independent t-tests were used to compare general and health-related characteristics between the groups. Decision tree analysis was used to build a prediction model for weight control experience. A split-sample test was conducted to validate the model. From the results of this study, various models predicting weight control experience were derived. From the decision tree model without setting the first node, those who weighed below average, had a high school diploma or less, and did not know their blood sugar levels had the highest probability of not controlling their weight at 55.3%. In the prediction model where the first node was set to age, those in their 40 s who thought their weight was below average and were unaware of their blood sugar levels had the highest rate of not trying to control their weight at 50.1%. In the prediction model where the first node was set to BMI, those who were overweight but thought their weight was below average and had a high school diploma or less had the highest rate of not trying to control their weight at 51.5%. There is an urgent need to provide obesity prevention and management education to those who have no weight control experience, particularly those at high risk, as identified in this study. [ABSTRACT FROM AUTHOR]

Objective: Weight-control compensatory behaviors appear to be a commonly utilized strategy for health management. Individuals engaging in such behaviors believe that the negative consequences from unhealthy behaviors will be neutralized by the positive consequences of healthy behaviors. Existing research has not reached a consensus on whether such behaviors are beneficial to health. This review aims to (1) summarize the patterns of weight-control compensatory health behaviors in different populations, (2) highlight correlates, predictors, and consequences of compensatory health behaviors, and (3) identify gaps for future research. Method: This review identified existing literature using online databases, CINAHL and PubMed. Primary research articles published after 2000 with non-clinical participants of 12 years or older who engaged in compensatory behaviors for weight control purposes were selected. Descriptive statistics were extracted from 35 studies. Results: Different patterns for weight-control compensatory behaviors emerged between the female and male sexes. Meanwhile, no clear association of such behaviors was found across weight status. Studies reviewed also highlighted three main areas of compensatory behaviors for weight management, namely dietary behaviors, physical activity, and alcohol consumption. Weight-control compensatory behaviors had significant negative correlations with mental health indicators, such as psychosocial functioning, emotional differentiation ability, and body esteem. Conclusion: Weight-control compensatory behaviors may be a widely used weight management strategy and can be presented in diverse ways. Although believed to be promoting health, such behaviors appear to be associated with poor psychological well-being. This emerging topic warrants more in-depth investigation to establish the direction of causation. Future research may investigate the relationship between weight-control compensatory behaviors and various aspects of health over longer time periods, examine the engagement of multiple weight-control compensatory behaviors, and focus on high-risk populations. [ABSTRACT FROM AUTHOR]

Background: This study aimed to determine whether self-regulation acts as a mediating factor in the relationship between obesity-related stress and weight control behavior, targeting Korean female college students. Obesity-related stress and weight control behaviors are important factors affecting an individual's health and well-being, and self-control, a psychological trait, can play a pivotal role in regulating how individuals respond to stress and engage in weight management behaviors. Methods: This study employed a descriptive correlational design. A total of 109 female college students with overweight and obesity participated in the study. We used a self-report questionnaire to measure obesity-related stress, self-control, and degree of weight control behavior. Data were analyzed using descriptive statistics, Pearson's correlation coefficient analysis, and bootstrapping using Hayes' PROCESS macro for mediation. Results: Significant relationships between obesity-related stress and weight control behavior (r = 0.25, p < 0.001), obesity-related stress and self-control (r = −0.36, p < 0.001), and weight control behavior and self-control (r = 0.26, p < 0.001) were observed. Self-control showed an indirect mediating effect on the relationship between obesity-related stress and weight control behavior (Β = 0.37, p = 0.001). Conclusions: Through the research results, it was confirmed that self-control is a factor that has a mediating effect in the relationship between obesity-related stress and weight control behavior among female college students with overweight and obesity. These results underscore the importance of addressing self-control strategies in interventions aimed at promoting healthy weight management among female college students with overweight or obesity. [ABSTRACT FROM AUTHOR]

Summary: Background: Irritable bowel syndrome (IBS) is common among individuals with eating disorders. The relationship between these conditions is likely bidirectional. However, data on the risk of IBS among those with prior eating disorders is largely limited to cross‐sectional studies. Aim: To prospectively evaluate the association between maladaptive weight control/eating behaviours in females during adolescence/young adulthood with subsequent IBS using the Growing Up Today Study (GUTS). Methods: Starting in 1996 (age: 9–14) and during follow‐up, participants reported frequency of maladaptive eating/weight control behaviours during the past year to lose weight: self‐induced vomiting (n = 5740), laxative use (n = 5438), and fasting (n = 5522) in addition to reporting binge eating (n = 4459). Starting in 2001 and during follow‐up, participants reported if they had ever been diagnosed with an eating disorder (n = 5316). Incident IBS cases were identified from four questionnaire cycles (2013, 2014, 2016, 2019), with participants specifying the year of diagnosis if occurring before the questionnaire date. Multivariable logistic regressions adjusting for age, body mass index, and depressive symptoms estimated the associations of interest. Results: Maladaptive weight control/eating behaviours were associated with increased IBS risk [ORs (95% CIs) for laxatives to lose weight = 3.67 (2.52–5.35), vomiting to lose weight = 1.83 (1.29–2.60), fasting to lose weight = 2.62 (1.86–3.70), and bingeing = 2.25 (1.54–3.28)] as was history of eating disorder diagnosis [OR (95% CI) = 3.42 (2.38–4.90)]. The magnitude of IBS risk increased with the frequency of maladaptive behaviours. Conclusions: There is evidence for the potential role of early maladaptive weight control/eating behaviours in the development of adult IBS among females. [ABSTRACT FROM AUTHOR]

Objective: Fasting for weight control is an under‐studied behaviour implicated in eating disorders. However, little is known about what factors account for its onset and persistence. Method: This study sought to identify risk and maintenance factors for fasting among 1025 women recruited through an eating disorder self‐help platform who completed study measures at baseline and 6 month follow‐up. Univariate and multivariate logistic regressions were performed to test which variables at baseline predicted the onset (vs. stably asymptomatic) and persistence (vs. remission) of fasting at follow‐up. Results: Univariate models showed that higher baseline overvaluation, dissatisfaction, fear of weight gain, generalised and social anxiety, depression, self‐esteem deficits and eating disorder symptoms (inflexible eating rules, driven exercise) predicted greater likelihood of fasting onset. Only fear of weight gain and depressive symptoms remained significant in the multivariate model. Higher baseline overvaluation, fear of weight gain, driven exercise, inflexible eating rules, and depression predicted greater likelihood of fasting persistence in univariate models. An adherence to inflexible eating rules and overvaluation remained significant in the multivariate model. Conclusion: Findings shed new light on factors that may account for the development and maintenance of fasting, which have implications for guiding effective interventions targeting this behaviour. Highlights: Fear of weight gain and depressive symptoms predicted the onset of fasting for weight control at 6 months follow‐up among women who did not report fasting behaviours at baseline.Adherence to inflexible eating rules and overvaluation with weight and shape predicted the persistence of fasting for weight control at follow‐up among women who endorsed fasting at baseline.Findings have clear implications for intervention targets among programs designed to address fasting behaviour. [ABSTRACT FROM AUTHOR]

Background: Knee osteoarthritis (OA) is a leading cause of disability among the elderly and is often exacerbated by obesity. Research supports weight loss and exercise therapy as key strategies for managing knee OA‐related disability. Concurrently, telemedicine is becoming a popular healthcare approach. This study aimed to develop and evaluate an 8‐week tele‐education programme's impact on weight control and knee OA outcomes. Methods/Design: Participants with knee OA and obesity were included. Baseline data on pain (VAS index), physical activity (GPAQ questionnaire), and quality of life (EQ5D and KOOS questionnaires) were collected. Performance tests, including the 30‐second Chair Stand test (30CST) and the Timed Up‐and‐Go test (TUG), were recorded. Participants were randomly divided into two groups: a control group receiving oral advice on diet and exercise, and an intervention group receiving educational videos on nutrition, lifestyle changes, physical activity, individualised exercises, and psychosocial support. Evaluations were repeated after 8 weeks. Results: Data from 25 of 30 participants were analysed. In the intervention group, body composition, waist, and abdominal circumference decreased significantly (p < 0.05). The KOOS questionnaire showed significant improvements in pain, activity, and daily tasks (p = 0.00). The EQ5D questionnaire and health satisfaction also showed positive results within the intervention group (p = 0.00) and between groups (p = 0.008). The pain index improved significantly within (p = 0.00) and between groups (p = 0.02). Functional test results were significant within the intervention group (p = 0.00) and between groups (p = 0.017 for 30CST and p = 0.004 for TUG). Conclusion: An 8‐week tele‐education programme for weight control and exercise therapy in knee OA patients significantly improved body composition, quality of life, and functional performance. Given the costs of obesity and knee OA on both people and the health system, tele‐education can be a cost‐effective treatment strategy. [ABSTRACT FROM AUTHOR]

Background Little is known about weight stigma in sexual minority women, and even less is known about weight stigma in those who have attained substantial weight loss and maintenance. Purpose This study examined weight stigma experiences and internalization in sexual minority women from the National Weight Control Registry (NWCR) who had lost ≥30 pounds and maintained this weight loss for ≥1 year, and compared weight stigma levels between sexual minority women versus heterosexual women in the NWCR. Methods NWCR participants completed an electronic survey. Women who identified as a sexual minority (n = 64; 98% White; M BMI = 29 ± 8; M age = 47 ± 13) and heterosexual women matched on body mass index (BMI), age, and race (n = 64; 98% White; M BMI = 28 ± 7; M age = 51 ± 13) were included. Participants completed assessments of experienced and internalized weight stigma. Results Generalized linear models showed that a significantly larger proportion of sexual minority women in the NWCR reported experiencing weight stigma in the past year (24.2%) compared with heterosexual women (4.7%; p <.05). Furthermore, sexual minority (vs. heterosexual) women reported significantly higher levels of internalized weight stigma (p <.001), and a greater proportion of sexual minority women (35%) reported clinically significant internalized weight stigma relative to heterosexual women (2%; p <.001). Conclusions Sexual minority women are at greater risk for experienced and internalized weight stigma than their heterosexual counterparts among women who have attained significant long-term weight loss. It is critical to expand research on weight stigma in sexual minority women. [ABSTRACT FROM AUTHOR]

Background: Unhealthy weight control behaviors (UWCBs) involve weight control strategies to reduce or maintain weight, such as fasting, taking diet pills, and vomiting or taking laxatives. UWCBs in teenagers can escalate into severe health issues such as eating disorders. Understanding the trends of UWCBs and their association with risk behaviors in teenagers is crucial, as early intervention and prevention strategies are pivotal. Methods: This study utilized eight waves of the youth risk behavior surveillance system (YRBSS) data from 1999 to 2013. Our primary outcome was UWCBs engagement. We used multinomial logistic models to analyze the association between UWCBs and risk behaviors among adolescents including driving after alcohol consumption, suicide attempts, smoking, alcohol use, and sexual intercourse. Results: Among 109,023 participants, UWCBs prevalence was 16.64%. Body Mass Index (BMI) was significantly associated with UWCBs risk. In addition, we found the intention of weight management confounded the relationship between BMI and UWCBs. The unadjusted logistic regression indicated a monotone-increasing association between BMI and the risk of UWCBs. In contrast, the adjusted logistic regression indicated a U-shaped curve with the lowest (BMI < 17 kg/m2) and highest (BMI > 30 kg/m2) BMI groups having significantly higher odds of engaging in UWCBs compared to the reference BMI group (18.5 ≤ BMI ≤ 24.9 kg/m2). Conclusions: The intention of weight management confounded the relationship between Body Mass Index (BMI) and the risk of UWCBs. These findings suggest that healthcare interventions for weight management behaviors should be tailored to adolescents with BMI ≥ 25 and BMI < 18.5. Plain English Summary: This study looked at unhealthy weight control behaviors (UWCBs) in American teenagers, such as fasting, taking diet pills, or vomiting to control weight. These behaviors can lead to serious health problems, including eating disorders. The research analyzed data from over 100,000 teenagers between 1999 and 2013 to understand the connection between UWCBs and other risky behaviors like drinking alcohol, smoking, and attempting suicide. While previous research suggested that teens with higher body weight were more likely to engage in UWCBs, our findings showed a shift in this relationship after considering the teens' intentions to manage weight. Specifically, teens with very low body weight (BMI < 17) and a strong desire to lose weight had an increased risk of UWCBs. This highlights the need for healthcare providers to focus on the mental health and weight management goals of these teens to prevent harmful behaviors. Additionally, reconsidering the removal of UWCB-related questions from national surveys like YRBSS is important to continue monitoring these behaviors. [ABSTRACT FROM AUTHOR]

Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder exacerbated by obesity. Single Anastomosis Sleeve-Ileal Bypass (SASI) has emerged as a promising metabolic bariatric procedure that combines sleeve gastrectomy and ileal bypass, facilitating substantial weight loss and T2DM remission through restrictive and malabsorptive mechanisms. This study aims to evaluate the effects of SASI on T2DM remission, weight loss, and safety in one year follow-up. A retrospective cohort study analyzed 31 patients with obesity and T2DM who underwent SASI. Data collected included demographic characteristics, preoperative and postoperative BMI, HbA1c levels, and bariatric outcomes, including %TWL and T2DM changes. The mean age was 45 years, with a mean preoperative BMI of 40.7 kg/m². One year postoperatively, the mean %EWL was 85.6% and %TWL was 31.7%. T2DM remission was achieved in 24 (77.4%) patients, improvement in 4 (12.9%), and no change in 3 (9.7%). Hypertension improved in 21 (87.5%) patients, with 12 (50%) achieving remission. Significant reductions in BMI and HbA1c levels were observed (p < 0.001). Responders (R) and non-responders (NR) groups showed significant differences in postoperative BMI and %EWL (p = 0.007, p = 0.023). One patient experienced a Clavien-Dindo Grade III complication; no deaths occurred. SASI is an effective and safe procedure for treating T2DM, resulting in significant weight loss and metabolic improvements over a one-year follow-up. SASI seems to be a favorable option for T2DM management in metabolic bariatric surgery. [ABSTRACT FROM AUTHOR]

Background: Obesity is a growing epidemic with non-surgical/non-pharmacological interventions having only nominal and transient effects on excess weight. Those persistent shortcomings are associated with minimal understandings of impacts of treatment-associated changes in psychological variables and their relationships. Women of lower incomes have high rates of obesity and might have increased difficulties accessing evidence-based programs. Methods: Women with obesity of lower- to lower-middle incomes participated in 6-month community-based treatments in the United States emphasizing either self-regulatory skills development (behavioral methods group: n = 63) or typical education in exercise and healthy dietary practices (education group: n = 48). Results: There were significant 6-month improvements in self-regulation, self-efficacy, mood, physical activity/exercise, dietary behaviors, and weight in both groups. All improvements were significantly greater in the behavioral group. Based on the incorporation of multiple behavioral theories, separate multiple regression models were fit for prediction of the weight-loss behavior changes. Stepwise entry of changes in self-regulation, self-efficacy, and mood each significantly contributed to the explained variance in physical activity/exercise change. Change in self-efficacy was most relevant in the prediction of change in dietary behaviors. Change in physical activity/exercise was significantly related to change in dietary behaviors; however, a regression analysis indicated that only physical activity/exercise change was a significant independent contributor to the overall accounted-for variance in lost weight. Conclusion: By incorporating key tenets of social cognitive theory, self-efficacy theory, self-regulation theory, coaction theory, and the mood-behavior model in an additive manner, suggestions and emphases for addressing psychological variables for improved weight-loss behaviors within scalable obesity treatments were advanced. [ABSTRACT FROM AUTHOR]

Background: Previous research has established the importance of moderate‐to‐vigorous physical activity (MVPA) for weight control. One area of unexplored investigation is the relationship between individuals' perceptions of the importance of MVPA for weight control and MVPA engagement. This study examined the associations between the perceived importance of MVPA and MVPA engagement, weight loss, barriers to PA, and exercise enjoyment in adults enrolled in a long‐term behavioral weight loss (BWL) intervention. Methods: Adults (N = 301) with overweight/obesity (BMI = 27–45 kg/m2) completed an 18‐month BWL intervention, followed by a no‐intervention 18‐month follow‐up. At baseline, 6 months, 18 months (i.e., post‐treatment), and 36 months (i.e., follow‐up), participants ranked the importance of six strategies for weight control: keeping a food record, MVPA, light PA, self‐weighing, small portions, and low‐calorie diet. Observed MVPA (measured by accelerometer), percent weight loss, perceived barriers to PA, and exercise enjoyment were also measured at each assessment. Results: Results showed that most participants perceived MVPA as a primary weight control strategy (first, second, or third most important) throughout the intervention, regardless of the weight control goal (weight loss vs. maintenance). Individuals who ranked MVPA as a primary strategy for weight control at concurrent time points, compared to those who did not, engaged in significantly more MVPA at post‐treatment, had greater weight loss at follow‐up, endorsed fewer barriers to PA at post‐treatment and follow‐up, and reported greater exercise enjoyment at baseline and post‐treatment. Conclusion: Perceived importance of MVPA was related to subjective experiences of MVPA, MVPA adherence, and weight loss in a long‐term BWL intervention. [ABSTRACT FROM AUTHOR]

Purpose: A combined body weight loss and upper body/arm exercise programme is a potential strategy for managing Breast cancer related lymphoedema (BCRL), but there is limited data on the best method for delivery or its potential efficacy. Methods: Fifty-seven women with overweight/obesity and BCRL were randomised to a 12 week supervised (n = 12) or home-based combined weight loss and upper body/arm exercise programme (n = 16), a home-based upper-body arm exercise only programme (n = 17) or standard care (n = 12). Primary outcomes were uptake, retention and changes in weight and change in Relative Arm Volume Increase (RAVI) using analysis of covariance (ANCOVA). Results: Sixteen percent of women invited joined the study and 49 completed the trial (85% retention). Reductions in weight occurred in the supervised and home-based weight control and exercise programmes; Mean (95% CI) change compared to standard care − 1.68 (− 4.36 to − 1.00), − 2.47(− 4.99 to − 0.04) Kg. Reductions in perometer assessed RAVI were seen in the supervised and home-based combined weight control and arm exercise groups and the weight stable home-based arm exercise only group: mean (95% CI) change compared to standard care − 2.4 (− 5.0 to + 0.4),− 1.8 (− 4.3 to + 0.7), − 2.5(− 4.9 to − 0.05)%. Conclusion: Women with BCRL and overweight and obesity engaged in diet and exercise weight loss programmes. Both weight loss/arm exercise programmes led to modest changes in weight and BCRL. Comparable reductions in BCRL were reported in the weight stable group undertaking arm exercise only. The independent and combined effects of weight loss and exercise on BCRL need further study. Trial registration: ISRCTN86789850 https://doi.org/10.1186/ISRCTN86789850, registered 2011. [ABSTRACT FROM AUTHOR]

Dietary intake is known to impact athletic performance. The factors that influence dietary intake have been investigated widely, but their collective effect has not been examined. The primary aim of this cross-sectional study was to assess the relationship between dietary intake and nutrition knowledge, body image, weight control, macronutrient balance, and hedonic hunger. Forty-two student athletes or active individuals were recruited through contact with sporting organisations and course coordinators, advertising via twitter, and flyers posted within university buildings. Nutrition knowledge, body image, weight control, macronutrient balance, and hedonic hunger were measured using the Abridged Nutrition for Sport Knowledge Questionnaire, Body Image Disturbance Questionnaire and Contour Drawing Rating Scale, a Weight Fluctuation Measure, Australian Eating Score, and Power of Food Scale, respectively. Hierarchical regression analysis, correlation testing, and mean difference testing were applied. Carbohydrate intake, body image disturbance scores, weight fluctuation, and hedonic hunger for food tasted had a significant relationship (R2 = 64.6%, Adj R2 = 0.608%, p < 0.001) with dietary energy intake. Student athletes' dietary intakes are influenced by multiple potentially modifiable factors. Future studies should use larger sample sizes, with interventions focusing on individual modifiable factors to determine how dietary intake can be most significantly impacted. [ABSTRACT FROM AUTHOR]

Background: Fear of fat is a relevant variable in initiating weight regulation behaviors in adolescents. However, little is known about the experiential and behavioral change processes that mediate the choice between healthy and unhealthy weight regulation behaviors in this population. Method: The general objective was to examine the predictive role of fear of fat on weight-related behaviors (healthy and unhealthy weight control behaviors) through the mediation of experiential and behavioral change processes (consciousness raising, counterconditioning, helping relationships, reinforcement management, self-liberation, self-reevaluation, stimulus control, substance use) in 838 adolescents aged 15–19 years from Mexico and Spain using parallel mediation analysis. Additionally, the study examined the correlations between the variables with regard to gender and country, as well as the differences in the use of processes of change across stages of change through the use of a multivariate analysis of variance. The Spanish version of the Fear of Fat, Stages of Change, Processes of Change, and Weight-Related Behaviors scales were used. Results: The mediation analysis showed that fear of fat predicted healthy weight control behaviors through consciousness raising, self-liberation, and stimulus control. On the other hand, fear of fat predicted unhealthy weight control behaviors through counterconditioning, stimulus control, and the use of weight loss substances. Intervening to reduce fear of fat may be a way to modify the processes of change used by adolescents to regulate their weight. Conclusions: The results of this study indicate that adolescents may initiate weight control behaviors as a result of fear of fat. This process is mediated by experiential and behavioral processes that influence weight regulation. [ABSTRACT FROM AUTHOR]

Few studies have investigated the dose–response relationship between exercise and weight control. This study aimed to assess the effects of different types of supervised exercise training on weight control and other metabolic outcomes in patients with type 2 diabetes mellitus and explore the dose–response relationship between exercise volume/duration and these outcomes. PubMed/MEDLINE, Embase, and Cochrane databases were searched for studies between January 1980 and June 2019. Randomized control trials in type 2 diabetes mellitus patients with supervised exercise training versus control treatment were included. The primary outcome was changes in body weight (kg). The secondary outcomes included changes in waist circumference (cm) and total body fat percentage (%). Forty-two randomized control trials, including 3,625 patients with type 2 diabetes mellitus were included. Overall, exercise treatment was associated with significant reduction in body weight (weighted mean differences, −1.10 kg; 95% CI [−1.58, −0.62], p <.01), waist circumference (weighted mean differences, −2.51 cm; 95% CI [−3.25, −1.77], p <.01), and total body fat (weighted mean differences, −1.16%; 95% CI [−1.58%, −0.75%], p <.01). The percentage of total body fat was reduced by all types of exercise, with a significant difference between aerobic exercise and resistance exercise (p =.02) and a significant difference between combined exercise and resistance exercise (p <.01). A higher volume of aerobic exercise and a higher volume of resistance exercise were superior in reducing body weight. In conclusion, supervised exercise training improved metabolic outcomes in general, while different types and volume of exercises have their own merits. [ABSTRACT FROM AUTHOR]

Few studies have investigated the dose–response relationship between exercise and weight control. This study aimed to assess the effects of different types of supervised exercise training on weight control and other metabolic outcomes in patients with type 2 diabetes mellitus and explore the dose–response relationship between exercise volume/duration and these outcomes. PubMed/MEDLINE, Embase, and Cochrane databases were searched for studies between January 1980 and June 2019. Randomized control trials in type 2 diabetes mellitus patients with supervised exercise training versus control treatment were included. The primary outcome was changes in body weight (kg). The secondary outcomes included changes in waist circumference (cm) and total body fat percentage (%). Forty-two randomized control trials, including 3,625 patients with type 2 diabetes mellitus were included. Overall, exercise treatment was associated with significant reduction in body weight (weighted mean differences, −1.10 kg; 95% CI [−1.58, −0.62], p <.01), waist circumference (weighted mean differences, −2.51 cm; 95% CI [−3.25, −1.77], p <.01), and total body fat (weighted mean differences, −1.16%; 95% CI [−1.58%, −0.75%], p <.01). The percentage of total body fat was reduced by all types of exercise, with a significant difference between aerobic exercise and resistance exercise (p =.02) and a significant difference between combined exercise and resistance exercise (p <.01). A higher volume of aerobic exercise and a higher volume of resistance exercise were superior in reducing body weight. In conclusion, supervised exercise training improved metabolic outcomes in general, while different types and volume of exercises have their own merits. [ABSTRACT FROM AUTHOR]

Different starch-to-protein ratios were compared among neutered and spayed domiciled cats. Male and female obese and non-obese cats were fed kibble diets ad libitum for 4 months high in starch (HS (38 % crude protein (CP)): starch 32 %, protein 38 %; DM basis) or high in protein (HP (55 % CP): starch 19 %, protein 55 %) but similar in energy and fat in a crossover design. Physical activity was evaluated using an accelerometer, and body composition (BC), energy expenditure (EE) and water turnover (WT) using the doubly labelled water method. Results were compared in a 2 diet × 2 sex × 2 body condition factorial arrangement. Cats fed the HS (38 % CP) diet maintained a constant body weight, but lean mass (LM) tended to be reduced in female obese but to be increased in male non-obese (P < 0·08) and increased in female non-obese cats (P = 0·01). The HP (55 % CP) diet induced an increase in cat body weight and LM (P < 0·05) without altering BC proportion. EE tended to be higher in males (351 (se 8) kJ/kg0·67/d) than females (330 (se 8) kJ/kg0·67/d; P = 0·06), was unaffected by diet or BC, decreased as age increased (R 2 0·44; P < 0·01) and increased as physical activity increased (R 2 0·58; P < 0 · 01). WT was higher for the HP (55 % CP) diet (P < 0 · 01) and increased with EE (R 2 0·65; P < 0 · 01). The HS (38 % CP) diet favoured body weight control during 4 months of ad libitum feeding. Caution is necessary to balance protein in diets of female obese cats over 5 years, as they may have low energy and food intake, with LM loss. [ABSTRACT FROM AUTHOR]

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Background: Due to the dramatic rise in overweight and obesity, adolescent weight management interventions are required. Therefore, this study aimed to study the components and the effect size of weight control programs for adolescents with overweight and obese. Materials and Methods: Following the PRISMA 2020 guidelines, we systematically searched electronic databases (PubMed, Google Scholar, ThaiJo, ThaiLis, and Embase) through December 2021 published in English and Thai, samples aged 15-22 years, and presenting the mean, SD a sample size of both experimental and control groups. However, we excluded articles other than full-text articles. In addition, a risk of bias assessment was performed according to the Cochrane Collaboration's quality assessment tool. Finally, this meta-analysis included six studies that met the criteria. The meta-analysis used a fixed-effects model with a forest plot to compute effect sizes and Cochran's Q and I² statistics as measures of heterogeneity. Results: We found six primary studies which included 721 overweight adolescents. The analysis of the effectiveness of weight control programs for overweight adolescents revealed that 360 adolescents with overweight and obese (49.93%) who underwent the weight control programs changed body weight and body mass index values with the effect size of -0.80 (-1.03, -0.56) and I² was 56.00%. Conclusions: The results indicate further studies should focus on constructing programs that consider adolescents' changes in technology and lifestyles. Additionally, social and mobile tools should motivate and educate adolescents about body weight control to help them adapt to a healthy lifestyle and maintain weight control over time. [ABSTRACT FROM AUTHOR]

Introduction: Poor metabolic control and excess body weight are frequently present in people with type 2 diabetes (PwT2D). Methods: A systematic literature review was conducted to identify observational studies reporting clinical, economic, and health-related quality of life (HRQoL) outcomes associated with poor metabolic (according to HbA1c, blood pressure [BP] and low density lipoprotein cholesterol [LDL-C] levels) and/or weight control (defined by a body mass index [BMI] ≥ 30 kg/m2) in adults with T2D in Spain, including articles published in either Spanish or English between 2013 and 2022 and conference abstracts from the last 2 years. Results: Nine observational studies were included in the analysis. Poor glycemic control (HbA1c ≥ 7%) was associated with cardiovascular disease (CVD), increased requirements for antidiabetic medications, higher and more frequent weight gain, a greater probability of hypoglycemia and dyslipidemia, and worse health-related quality of life (HRQoL). Uncontrolled BP in PwT2D was related with the presence of CVD, worse metabolic control, and higher BMI and abdominal perimeter values. Poor LDL-C control or dyslipidemia was associated with CVD, hypoglycemia, and elevated HbA1c and triglycerides levels. The presence of a BMI ≥ 30 kg/m2 was related to CVD and hypoglycemia, a higher prevalence of metabolic syndrome and worse BP control. Direct medical costs were found to be higher in PwT2D when coexisting with HbA1c levels ≥ 7%, uncontrolled BP or obesity. Increased total costs, including productivity losses, were also detected in those who presented uncontrolled BP and a BMI ≥ 30 kg/m2, and when poor weight control existed together with HbA1c ≥ 8% and poorly controlled BP. Conclusion: Gathered evidence supports the high clinical, economic and HRQoL burden of poor metabolic and/or weight control in PwT2D in Spain and reinforces the importance of prioritizing its control to reduce the associated burden, at both the individual and healthcare system levels. [ABSTRACT FROM AUTHOR]

Despite the high prevalence of weight bias among fitness professionals, few resources are currently available to educate fitness professionals about weight bias and no systematic review of weight bias interventions has been conducted among this population. This paper therefore reviewed extant weight bias interventions for fitness professionals to inform future weight bias-reduction initiatives. Seven reports comprising six studies were identified from inception until April 2024. Findings showed small to large improvements in explicit weight bias, particularly on the weight control/blame component. No improvements were observed in implicit weight bias. The results show an urgent need to bridge the gap between the resources currently available in the fitness industry and those developed by the scientific community and to develop novel multifaceted interventions that draw from multiple theories of attitude and behavior change to effectively tackle weight bias among fitness professionals. [ABSTRACT FROM AUTHOR]

Objective: The study aimed to assess overweight and obese pregnant women's beliefs related to weight control behaviors. Material: A descriptive study design was conducted from July 2nd 2022 to November 7th 2022. A random sample of (532) pregnant women was chosen. The study was conducted at randomly selected Primary Health Care Centers on right & left side of Mosul city. Results: The study finding showed the mean age of the participants was 27.2 ± 2.75 years, (84.02%) of them live in the city, (68.80%) are housewives, results also indicated that the mean score of participants’ beliefs related to weight control behaviors was low (25.5) for all subscales of health beliefs. Conclusions: The study showed that most of the overweight and obese pregnant women's beliefs related to weight control in general were low for all subscales of the Health Belief Model. [ABSTRACT FROM AUTHOR]

Introduction: Overweight and obesity are common problems among teenagers regardless of ethnicity, race, and socio-economic status. Therefore, this study aims to explore the social and environmental factors impacting adolescents motivation for weight control in Gilan province, Iran. Methodology: Following a qualitative design, a content analysis approach was used to analyze the data. A total of 79 interviews were conducted with Adolescents (n = 23), Friends and Peers (n = 15), Parents (n = 12), Managers (n = 16), and Health care providers (n = 13), regarding adolescents obesity during 2019. MAXQDA V.10 software was used for our analysis. Findings: The main categories of environmental and social factors affecting adolescents motivation for weight control were external factors (the relative success of weight control intervention programs, the lack of environmental and social support, and the lack of family support for teenagers) that each one had some subcategories, and internal factors (competence, relatedness, and autonomy). Conclusion: This study demonstrated the necessity of identifying environmental and social factors that are effective in reducing adolescents' motivation for weight loss. These factors are so influential that teenagers can't overcome them without receiving support from their environment and the government health-related policies. So, it seems that we need integrated multisectoral approaches and we suggest that health policymakers develop practical policies to control adolescents obesity by focusing on factors that have been mentioned in this study. [ABSTRACT FROM AUTHOR]

Weight control through dietary management is becoming increasingly common worldwide. This study aimed to evaluate and compare the dietary intake and diet quality between Chinese adults with and without weight-control behaviors. Data were collected from the China National Nutrition Survey 2002, 2012, and 2015. Dietary intake was assessed using a combination of 24 h dietary recall of three consecutive days and a weighing method. Diet quality was calculated based on China healthy diet index (CHDI). A total of 167,355 subjects were included, of which 11,906 (8.0%) adults reported attempting to control weight within the past 12 months. Participants with weight control had lower daily total energy intake, as well as lower percentages of energy from carbohydrates, low-quality carbohydrates, and plant protein, but higher percentages of energy from protein, fat, high-quality carbohydrates, animal protein, saturated fatty acids, and monounsaturated fatty acids than those without weight control. Additionally, the CHDI score in the weight-control group was higher than those without (53.40 vs. 48.79, p < 0.001). Fewer than 40% of participants in both groups met the requirement for all specific food groups. Chinese adults who reported weight-control behaviors had an energy-restricted diet characterized by reduced carbohydrate intake and overall higher diet quality compared with those without dietary-control behaviors. However, both groups had significant room for improvement in meeting dietary recommendations. [ABSTRACT FROM AUTHOR]

Background: Misperceptions about obesity is common among adolescents. Adolescents who overestimate their body size tend to indulge in extreme weight control behaviors. However, little is known about the factors involved in the adoption of extreme weight control behavior (EWCB) by non-obese adolescents who are mistaken for being overweight. This study identified factors associated with unhealthy behaviors among normal/underweight high school students who overestimate their body image and attempt to lose weight. Design: A secondary analysis of nationally representative data from the Korea Youth Risk Behavior Survey focused on adolescents who attended vocational and academically oriented high schools. Methods: The analysis included data from 4,286 non-obese respondents (15–18 years) who overestimated their body weight. Of them, 2,887 were girls (66.5%), while 1,399 were boys (33.5%). Multiple logistic regression was used to investigate risk factors for EWCB by sex. A statistical analysis reflecting strata, clusters, and weights of the complex sampling design was adopted. Results: Of the respondents, 674 (23.3%) girls and 162 (11.5%) boys reported EWCB. For both sexes, vocational high school attendance and depression were significantly influenced by EWCB. EWCB was linked to perceived stress in girls and living in a big city in boys. Conclusions: The findings suggest the importance of providing quality health education, including that for non-obese adolescents, in school obesity prevention programs along with the expansion of tailored intervention programs based on sex, following a consideration of the characteristics of high schools as well as individuals. [ABSTRACT FROM AUTHOR]

Background The increased prevalence of overweight and obesity in the Czech Republic and Slovakia has led to heightened emphasis on weight control, particularly among women. Our aim is to explore body image perceptions among women in both countries and compare their attitudes, focusing on the relationship between body image and body mass index (BMI), height, weight, body fat and the weight control. Methods The cross-sectional study involved 358 female students from the University of Pardubice and Constantine the Philosopher University in Nitra, with equal representation from the Czech Republic and Slovakia. Body parameters were assessed using anthropometric methods and the InBody 230 diagnostic device, while participants' perceptions of their bodies were evaluated using the Body Shape Questionnaire. Results The results confirmed that BMI did not significantly influence self-perception among Slovak students, while Czech participants with increasing obesity tended to perceive themselves more negatively. Significantly higher median values for BMI (p  = 0.0509), weight (p  = 0.0507), height (p  = 0.05) and body image (p  = 0.002) were observed in the Czech Republic compared with Slovakia. No significant difference was found in weight control and fat between participants from both countries. Conclusions Although obesity was demonstrated in both nations, body satisfaction was different for participants from the Czech Republic and Slovakia. [ABSTRACT FROM AUTHOR]

Background: People with physical disabilities (PWD) have an increased risk of obesity and related comorbidities compared with people without physical disabilities (PWoD). Previously identified contributors to weight loss maintenance pose challenges to PWD. However, it is not known if PWD experience less success in weight management. Methods: Six hundred and nine participants in the International Weight Control Registry (IWCR) were eligible for this analysis (PWD, n = 174; PWoD, n = 435). Self‐reported weight history metrics were compared using general linear models. Perceived weight history category was compared using Chi‐squared tests. Importance of diet and physical activity strategies for weight management were compared using Wilcoxon rank‐signed tests. Results: PWD reported higher current body mass index (BMI) (36.1 ± 0.7 vs. 31.0 ± 0.5; p < 0.0001) and more weight loss attempts (9.1 ± 0.7 vs. 7.1 ± 0.4; p = 0.01) than PWoD. Current weight loss percentage (PWD 13.0 ± 1.0; PWoD, 13.0 ± 0.6; p = 0.97) and weight loss category (χ2 [3, N = 609] = 2.9057, p = 0.41) did not differ between the groups. There were no differences in any weight strategy between PWD who were successful and those who regained. Conclusions: PWD and PWoD in the IWCR achieved similar levels of weight maintenance success. However, higher BMI and more weight loss attempts suggest that PWD may face challenges with weight management. More research is needed to identify strategies leading to success for PWD. [ABSTRACT FROM AUTHOR]

Background: The structural diversity of extracellular polymeric substances produced by microorganisms is attracting particular attention. Poly-gamma-glutamic acid (γ-PGA) is a widely studied extracellular polymeric substance from Bacillus species. The function of γ-PGA varies with its molecular weight (Mw). Results: Herein, different endogenous promoters in Bacillus licheniformis were selected to regulate the expression levels of pgdS, resulting in the formation of γ-PGA with Mw values ranging from 1.61 × 103 to 2.03 × 104 kDa. The yields of γ-PGA and exopolysaccharides (EPS) both increased in the pgdS engineered strain with the lowest Mw and viscosity, in which the EPS content was almost tenfold higher than that of the wild-type strain. Subsequently, the compositions of EPS from the pgdS engineered strain also changed. Metabolomics and RT-qPCR further revealed that improving the transportation efficiency of EPS and the regulation of carbon flow of monosaccharide synthesis could affect the EPS yield. Conclusions: Here, we present a novel insight that increased pgdS expression led to the degradation of γ-PGA Mw and changes in EPS composition, thereby stimulating EPS and γ-PGA production. The results indicated a close relationship between γ-PGA and EPS in B. licheniformis and provided an effective strategy for the controlled synthesis of extracellular polymeric substances. [ABSTRACT FROM AUTHOR]

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It is well recognized by the general public that breastfeeding expends calories. In our clinical practice, a number of postpartum women with a history of or a current eating disorder (ED) report using breastfeeding and/or pumping breast milk to influence their body shape and weight. This appears to be either a form of weight control behavior or, in some cases, a compensation for perceived overeating or binge eating. Breastfeeding and pumping have not generally been identified as maladaptive weight control behaviors, nor have they been a subject of research to date. We suggest that this practice should be investigated to determine how common it is, its potential role in maintaining EDs or contributing to relapse in the postpartum period, and to better understand other potential harms it may cause to both the mother and infant/child. Public significance: Breastfeeding and pumping may be used as maladaptive methods of weight control by women with EDs. This behavior is under‐recognized in clinical practice and has received little research attention. We argue that maladaptive breastfeeding and pumping warrant further investigation, as the behaviors may play an important role in maintaining an ED or in contributing to relapse during the postpartum period and may also indirectly harm the infant/child. [ABSTRACT FROM AUTHOR]

Objective: This study explored the relationship between unhealthy weight control behaviors (UWCBs) and their associated economic costs among adolescents using the 2014–2018 Longitudinal Study of Australian Children (LSAC). Methods: LSAC data in Wave 6 (n = 3538 adolescents aged 14–15 years), Wave 7 n = 3089 adolescents aged 16–17 years), and Wave 8 (n = 3037 adolescents aged 18–19 years) were derived from a representative sample of Australian adolescents. UWCBs were measured using the self‐reported Branched Eating Disorder Test questionnaire. UWCBs were sub‐classified into having fasting behaviors, using weight loss supplements or purging behaviors. Economic costs include healthcare and productivity costs to caregivers. Healthcare costs were measured using data from the Medicare and Pharmaceutical Benefits, which includes both medical and pharmaceutical costs. Productivity losses were measured using caregivers' lost leisure time due to UWCBs among adolescents. Results: The mixed effect model identified statistically significant higher economic costs (mean difference = $453, 95% CIs $154, $752), higher health care costs (mean difference = $399, 95% CIs $102, $695), and higher productivity costs (mean difference = $59, 95% CIs $29, $90) for adolescents with UWCBs compared to their peers with no UWCBs. Subgroup analysis revealed that higher costs were associated with fasting and purging behaviors. Discussion: UWCBs were associated with increased economic costs during adolescence. Our finding suggests there should be a policy focus on tackling UWCBs to reduce the economic burden on the healthcare system and society. Public Significance: The study contributes to existing knowledge by investigating the direct healthcare costs and productivity losses associated with unhealthy weight control behaviors in Australian adolescents (14–18 years old) using a dataset that follows Australian adolescents over time. We found that engaging in unhealthy weight control behaviors such as fasting, using weight loss supplements, and purging was linked to higher costs among adolescents, suggesting policies should focus on addressing these behaviors. [ABSTRACT FROM AUTHOR]

Summary: Objective: To examine changes in leukocyte telomere length (LTL) during and after a behavioural weight control program for children with obesity. Methods: We measured LTL among a cohort of 158 children 8–12 years of age with a body mass index greater than or equal to the 95th percentile for age and sex. Children were 55% female, 29% white, 52% Latinx, 8% Asian and 11% Pacific Islander, other or multiethnic. All children participated in a 6‐month, family‐based, group behavioural weight control program and were assessed before treatment, after treatment and 1 year after the end of treatment. To test the sample population slope of LTL over the intervention and maintenance time periods, we fit spline mixed‐effect regression models. Results: LTL increased an average of 0.09 T/S units per year (95% confidence interval [CI] 0.04 to 0.13; p = 0.0001) during the weight control program intervention period, followed by an average decline of −0.05 T/S units per year (95% CI −0.08 to −0.03; p < 0.0001) during the 1 year of follow‐up after the completion of the intervention. Among 26 social, psychological, behavioural and physiological factors we examined, we did not find any predictors of these changes. Conclusions: LTL increased in response to a behavioural weight control program among children with obesity, suggesting an impact on biological health and cellular aging from participation in a behavioural weight control intervention. LTL may be a useful biomarker for assessing changes in response to behavioural interventions. [ABSTRACT FROM AUTHOR]

Objectives: Weight perceptions have been implicated in weight control related behaviors among children and adolescents, yet studies in mainland China are scarce. We examined the associations of self-perceived weight status and weight misperception with weight control related behaviors in Chinese middle and high school students. Methods: We used cross-sectional data from the 2017 Zhejiang Youth Risk Behavior Survey which that included 17,359 Chinese students, with 8,616 boys and 8,743 girls. Perceived weight status, as well as height, weight and weight control related behaviors information was collected via a self-reported questionnaire. Odds ratios (ORs) with 95% confidence intervals (CIs) calculated by multinomial logistic regression were used to assess the relationships between weight perceptions and weight control related behaviors. Results: Among the 17,359 students aged 9 to 18 years, the mean (SD) age was 15.72 (1.64) years. Overall, 34.19% of children and adolescents perceived themselves as overweight and the prevalence of weight misperception was 45.44%, with 35.54% overestimation and 9.90% underestimation. Children and adolescents perceiving themselves as overweight were more likely to have weight control behaviors, with OR was 2.60 (95% CI: 2.39–2.83) for weight control attempt, 2.48 (2.28–2.70) for exercising, 2.85 (2.60–3.11) for dieting, 2.01 (1.51–2.68) for taking laxatives, 2.09 (1.67–2.02) for taking diet pills, and 2.39 (1.94–2.94) for fasting, respectively, compared to those with right weight status. Among children and adolescents with overestimating weight status, the OR was 2.40 (2.22–2.59), 2.50 (2.31–2.70), 2.85 (2.61–3.11), 1.81 (1.39–2.37), 2.20 (1.77–2.74), and 2.16 (1.77–2.63) for weight control attempt, exercising, dieting, taking laxatives, taking diet pills, and fasting, relative to those with accurate weight perception. Conclusions: Self-perceived overweight and weight misperception are prevalent in Chinese children and adolescents, and positively associated with weight control related behaviors. [ABSTRACT FROM AUTHOR]

Some adolescents report using e-cigarettes (EC) for weight-related reasons, but longitudinal studies are lacking. This study examined associations between tobacco weight control beliefs and body mass index (BMI) with EC use patterns over one year. Data from Waves 1 and 2 (September 2013 to October 2015) of the Population Assessment of Tobacco and Health (PATH) study were used. Questions about tobacco weight control beliefs, EC use patterns (never, ever, never to current, ever to current, current to current), cigarette and other tobacco product use, demographics, and BMI were examined among adolescent respondents across Wave 1 and Wave 2. Most adolescents were never EC users (85.8%). Prevalence of EC use patterns was low across categories of use (0.6%–5.3%). Higher BMI was associated with transition from ever but not current use at Wave 1 to current use at Wave 2. Greater baseline tobacco weight control beliefs and increases in tobacco weight control beliefs were associated with most EC use patterns compared to never use. Greater tobacco weight control beliefs were risk factors for e-cigarette initiation and maintenance among a nationally representative sample of adolescents. BMI was minimally associated with e-cigarette use patterns. Additional studies are needed to replicate and further examine these preliminary prospective associations between weight control beliefs and EC use. [ABSTRACT FROM AUTHOR]

This study examined mediating effects of body weight control behaviors in the relationship between body weight perception and health-related behaviors among 11,458 U.S. adolescents from the 2010 National Youth Physical Activity and Nutrition Survey. Parallel multiple mediation analysis was performed for the secondary data analysis. Nearly one third of adolescents (32.5%) had overweight or obesity; one quarter (25.0%) perceived themselves as slightly overweight and 5.1% thought they were very overweight. More girls (58.6%) had tried to lose weight than boys (32.3%), while boys were more physically active than girls. Healthy and unhealthy weight control behaviors significantly mediated the relationship between adolescents' body weight perception and health-related behaviors (physical activity and screen time). Teachers and parents should help adolescents have accurate weight perception and utilize reliable and healthy weight control strategies. Future studies should consider the intercorrelated relationships among adolescents' perceptions and behaviors regarding weight to provide successful weight control intervention programs. [ABSTRACT FROM AUTHOR]

Obesity is the most common health concern all over the world. However, till now, there is no promising way to manage obesity or body‐weight control. The aim of the study is to develop an edible gel as a health supplement that temporarily attaches to the mucus of the intestines, forming an absorption barrier to block the nutrients. We modify the alginate with the thiol group as thiolated alginate (TA) that may stay on the mucosa layer for a much longer time to reduce nutrient absorption. In this study, the TA is synthesized successfully and proved a good mucosal adhesion to serve as a barrier for nutrient absorption both in vitro and in vivo. The results of in vivo imaging system (IVIS) show that the synthesized TA can be exiled from the gastrointestinal tract within 24 h. The animal study shows that the TA by daily oral administration can effectively reduce body weight and fat deposition. The biosafety is evaluated in vitro at the cellular level, based on ISO‐10993, and further checked by animal study. We do believe that the TA could have a greater potential to be developed into a safe health supplement to manage obesity and for body‐weight control. [ABSTRACT FROM AUTHOR]

Objective: The study aimed to assess overweight and obese pregnant women's beliefs related to weight control behaviors. Material: A descriptive study design was conducted from July 2nd 2022 to November 7th 2022. A random sample of (532) pregnant women was chosen. The study was conducted at randomly selected Primary Health Care Centers on right & left side of Mosul city. Results: The study finding showed the mean age of the participants was 27.2 ± 2.75 years, (84.02%) of them live in the city, (68.80%) are housewives, results also indicated that the mean score of participants' beliefs related to weight control behaviors was low (25.5) for all subscales of health beliefs. Conclusions: The study showed that most of the overweight and obese pregnant women's beliefs related to weight control in general were low for all subscales of the Health Belief Model. [ABSTRACT FROM AUTHOR]

Successful weight control is a challenge for many consumers, but in principle, it is a simple arithmetic combination of increasing caloric expenditure and/or decreasing caloric intake. We call the former "exercise" and the latter "diet." A field survey, three behavioral lab experiments, and a national weight loss field study show that (1) people tend to construe exercise at higher levels and diet at lower levels, (2) activating people's focus on the high-level purposes versus low-level processes of their behavior may improve the odds of weight control success by exercise and diet, respectively, and (3) people who effectuated exercise plans that were high in desirability in terms of bringing about greater net caloric cuts, and diet plans that were high in feasibility in terms of ease of compliance, had the greatest weight reduction over a three-month period. Understanding the theory of how contrasting mental models underlie exercise versus diet may help consumers control their weight with more success, and marketers position their weight control products and services more effectively. [ABSTRACT FROM AUTHOR]

Objective: To identify the value of head rotation in the supine position and oral appliance (OA) use in drug‐induced sleep endoscopy (DISE). Study Design: Eighty‐three sleep apnea adults undergoing target‐controlled infusion‐DISE (TCI‐DISE) were recruited from a tertiary academic medical center. Setting: During DISE, 4 positions were utilized: supine position (position 1), head rotation (position 2), mandibular advancement using an OA (position 3), and head rotation with an OA (position 4). Methods: Polysomnography (PSG) data and anthropometric variables during DISE were analyzed. Results: Eighty‐three patients (65 men and 18 women; mean [standard deviation, SD], 48.5 [11.0] years) who underwent PSG and TCI‐DISE were included. The mean (SD) apnea–hypopnea index (AHI) was 35.5 (22.4) events/h. Twenty‐three patients had persistent complete concentric velopharyngeal collapse in the supine position, even with concurrent head rotation and OA (position 4). Their mean (SD) AHI was 54.7 (24.6) events/h, significantly higher than that of the 60 patients without such collapse in position 4 (p <.001). Their mean (SD) body mass index (BMI) was 29.0 (4.1) kg/m2, also significantly higher (p =.005). After adjustment for age, BMI, tonsil size, and tongue position, the degree of velum and tongue base obstruction was significantly associated with sleep apnea severity in positions 2, 3, and 4. Conclusion: We showed the feasibility, safety, and usefulness of using simple edge‐to‐edge, reusable OA in DISE. Patients who are not responsive to head rotation and OA during TCI‐DISE may need upper airway surgery and/or weight control. [ABSTRACT FROM AUTHOR]

Objective: To understand the psychological antecedents or personal factors that lead to weight control behaviours that can help to develop more effective prevention strategies.Design: The present correlational study has a non-experimental, quantitative, cross-sectional design. A model was tested considering types of motivation (autonomous motivation, controlled motivation and amotivation) as mediators in the relationship between the Grit personality and healthy and unhealthy weight control behaviours, with self-control as a moderator in the aforementioned indirect effects.Setting: Monterrey (Nuevo León, México).Participants: A representative sample of 1219 adults (men = 599; women = 620) aged 18-65 years (M = 29·37, sd = 11·83).Results: Findings supported the mediator role of the types of motivation. Specifically, Grit showed a positive indirect effect on healthy weight control behaviours through autonomous motivation. Conversely, Grit showed a negative indirect effect on unhealthy weight control behaviours through autonomous motivation. Furthermore, findings supported the moderator role of self-control in the relationship between amotivation and healthy and unhealthy weight control behaviours.Conclusions: This study provides evidence for the key role of Grit in the adoption of healthy or unhealthy control behaviours, as well as the role of autonomous motivation in the development of healthy behaviours. [ABSTRACT FROM AUTHOR]

Tobacco product use (TPU; e.g., smoking, e‐cigarettes, other emerging products) is elevated in eating disorders (EDs), yet the phenomenology of tobacco use within EDs has not received much attention. Due to the appetite suppressant effects of tobacco products as well as the array of availability of tobacco products in hedonic flavors (e.g., gummy bear, fruit), TPU may be used for weight control, such as to suppress appetite, satisfy cravings, or for meal replacement. The purpose of this article was to outline theoretical research on TPU for weight control as a mechanism in EDs as well as key areas for future research. We discuss the conceptualization and nature of TPU for weight control and how it may be related to EDs and associated behaviors, TPU patterns and smoking for weight control in EDs, and the effectiveness of current interventions and development of novel intervention protocols for individuals with EDs who use tobacco. Overall, this article outlines novel research questions on TPU in EDs and as a weight control behavior and provides recommendations to clarify the conceptualization and role of TPU within EDs. [ABSTRACT FROM AUTHOR]