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Background: Adolescents with elevated body mass index (BMI) are at an increased risk for depression and body dissatisfaction. Type 2 diabetes (T2D) is an established risk factor for depression. However, shared genetic risk between cardiometabolic conditions and mental health outcomes remains understudied in youth.
Methods: The current study examined associations between polygenic risk scores (PRS) for BMI and T2D, and symptoms of depression and body dissatisfaction, in a sample of 827 community adolescents (M = 13.63, SD = 1.01; 76% girls). BMI, depressive symptoms, and body dissatisfaction were assessed using validated self-report questionnaires.
Results: BMI-PRS was associated with phenotypic BMI (β = 0.24, p < 0.001) and body dissatisfaction (β = 0.17, p < 0.001), but not with depressive symptoms. The association between BMI-PRS and body dissatisfaction was significantly mediated by BMI (indirect effect = 0.10, CI [0.07-0.13]). T2D-PRS was not associated with depression or body dissatisfaction.
Conclusions: The results suggest phenotypic BMI may largely explain the association between genetic risk for elevated BMI and body dissatisfaction in adolescents. Further research on age-specific genetic effects is needed, as summary statistics from adult discovery samples may have limited utility in youth.
Impact: The association between genetic risk for elevated BMI and body dissatisfaction in adolescents may be largely explained by phenotypic BMI, indicating a potential pathway through which genetic predisposition influences body image perception. Furthermore, age-specific genetic research is needed to understand the unique influences on health outcomes during adolescence. By identifying BMI as a potential mediator in the association between genetic risk for elevated BMI and body dissatisfaction, the current findings offer insights that could inform interventions targeting body image concerns and mental health in this population.
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http://dx.doi.org/10.1038/s41390-024-03323-z | DOI Listing |
Int J Eat Disord
September 2025
Department of General Psychology, University of Padova, Padova, Italy.
Smartphone applications (apps) represent promising tools to overcome common barriers to treatment in individuals within the Eating Disorders (EDs) spectrum, thanks to their constant availability and cost-effectiveness. In this context, Cruz et al. (2025) conducted the first meta-analysis of randomized controlled trials (RCTs) evaluating the efficacy of app-based interventions for EDs.
View Article and Find Full Text PDFCureus
August 2025
Orthopaedics/Orthopaedic Surgery, The Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, USA.
Introduction Patients have identified knee stiffness as a factor contributing to postoperative dissatisfaction after total knee arthroplasty (TKA). Losartan is an angiotensin receptor blocker (ARB) that has demonstrated antifibrotic effects; however, the impact of perioperative losartan on arthrofibrosis after TKA is not well understood. Therefore, the purpose of this study was to determine if losartan exhibits antifibrotic benefits in patients who undergo TKA by decreasing the rates of manipulation under anesthesia (MUA), when compared to patients who are not taking losartan.
View Article and Find Full Text PDFEur Eat Disord Rev
September 2025
Department of Psychological Sciences, Swinburne University of Technology, Melbourne, Australia.
Objective: Research has suggested that a relationship may exist between frequent use of social networking sites (SNSs) and body dissatisfaction; however, there is a lack of research around newer SNS platforms with larger visual imprints, such as TikTok and Snapchat. The aim of the present study was to investigate the relationship between time spent on different SNSs and body dissatisfaction.
Methods: An online survey was completed by 199 participants.
J Womens Health (Larchmt)
September 2025
Department of Psychological and Brain Sciences, University of Iowa, Iowa City, Iowa, USA.
Disordered eating behaviors and depressive symptoms can be problematic during pregnancy for both the individual and their offspring. Our study aimed to determine the extent to which body image dissatisfaction early in pregnancy predicts eating disorder behaviors and/or depressive symptoms across pregnancy. Participants ( = 253) completed self-report assessments of depressive and eating disorder symptoms alongside the modified Body Image in Pregnancy Scale in their first, second, and third trimesters.
View Article and Find Full Text PDFEncephale
September 2025
Universidade Alto Vale do Rio do Peixe (UNIARP), Departamento de Nutrição, CEP (89500-199), Caçador, Santa Catarina, Brasil; Universidade Federal do Paraná (UFPR), Programa de Pós-Graduação em Engenharia de Alimentos (PPGEAL), CEP (81531-980), Curitiba, Paraná, Brasil. Electronic address: de
Introduction: Body Dysmorphic Disorder (BDD) is a condition characterized by a distorted perception of one's own body image. Individuals with BDD exhibit excessive concern about their appearance, often fixating on perceived flaws that are either imaginary or minor. The prevalence of body image-related eating disorders has been increasing among university students, particularly in health-related fields, where students frequently experience pressure to maintain an ideal body shape and weight.
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