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Objective:To investigate the effect of stress caused by disordered eating attitudes on bone health in obese adolescents.Methods:A cross-sectional study comprising 80 obese adolescents was performed from November 2013 to September 2014. Twenty-four-hour urinary free cortisol levels were measured as a biological marker of stress. Bone turnover was evaluated using bone-specific alkaline phosphatase, serum osteocalcin, and urinary N-telopeptide concentrations. Bone mineral density was measured using dual-energy X-ray absorptiometry. The Eating Disorder Examination Questionnaire, Dutch Eating Behavior Questionnaire, Children’s Depression Inventory, and the State-Trait Anxiety Inventory for Children were used to assess eating disorders, depression, and anxiety. Psychiatric examinations were performed for binge eating disorders.Results:In the Pearson’s correlation test, a positive correlation was found between the 24-hour urinary cortisol level and Dutch Eating Behavior Questionnaire total and restrained eating subscale scores (p<0.05 for both). In linear regression analyses, the Dutch Eating Behavior Questionnaire total and restrained eating subscale scores were found to be significant contributors for urinary cortisol level (β=1.008, p=0.035; β=2.296, p=0.014, respectively). The femoral neck areal bone mineral density was found to be significantly higher in subjects who had binge eating disorder compared with those without binge eating disorder (p=0.049).Conclusion:Despite the lack of apparent effects on bone turnover and bone mineral density in our obese adolescents at the time of the study, our results suggest that disordered eating attitudes, and especially restrained eating attitudes, might be a source of stress. Therefore, studies in this area should continue.

Problem The development of any program to reduce bullying is possible with a better understanding of the associated underlying factors with its emergence. This study, therefore, aimed to investigate three different social cognitive abilities: abilities to read minds in the eyes, alexithymic personality traits, and empathy, in association with bullying behaviors in adolescents. Although these factors have been studied separately, our data highlighted their effect, relationship, and interconnectivity. Methods The participants consisted of 351 adolescents (57.8% girls) aged 13–16 years (mean: 14.32 ± 0.73 for girls, 14.38 ± 0.86 for boys). The data used in this cross‐sectional study were collected using self‐reported questionnaires. Pearson's moment product correlation analysis and hierarchical linear regression analysis were performed to evaluate the associations between variables. Findings Bullying behavior levels were higher in male adolescents compared with females. The results indicated that bullying behavior was associated with low levels of reading minds in the eyes abilities, alexithymic personality traits, and low affective empathy levels. Conclusion These findings highlight the critical impact of the poor comprehension of mental states and emotional statuses of other people and low emphatic thinking capacity in the emergence of bullying behaviors among adolescents. Therapeutic interventions focusing on improving these factors may therefore be useful in prevention and management programs for bullying behavior.

Purpose To investigate the associations between internalizing problems, metacognition problems, and mindfulness levels in university students during the COVID‐19 pandemic. Design and methods Depression, anxiety, and stress levels were compared between university students quarantined in dormitories and their homes under curfew conditions. The direct and indirect associations between internalizing problems, metacognition problems, and mindfulness levels of students under quarantine were evaluated. Findings Metacognition problems and low mindfulness levels were associated with higher depression, anxiety, and stress symptoms under quarantine conditions. Practice implications Therapeutic interventions focusing on metacognition problems and mindfulness levels may reduce the negative psychological effects of quarantine.

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