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Does seeking the brawns impact the brain?: An investigation of muscularity-oriented disordered behaviors and cognitive function
Shifts in body-image ideals over the past 30 years towards leaner, muscular bodies have revealed new health behaviors that may be related to cognitive function. This study objective was to investigate prospective associations between a drive for muscularity and/or muscularity-oriented disordered behaviors (MODBs) with cognition. Data were drawn from Add Health, a nationally representative longitudinal cohort dataset. Drive for muscularity and MODB engagement were assessed in emerging adulthood (ages 18-26). Cognition was measured via immediate word recall, delayed-word recall, and number recall at 7-years later (ages 24-32). Analyzes were conducted in 1976 participants with available data. A one-way ANCOVA revealed that those with a drive for muscularity had lower immediate word recall (F(3, 12,819) = 3.845, p = .009) and delayed word recall (F(3, 12,807) = 5.933, p < .001) scores than other weight goal groups adjusting for covariates. Hierarchical linear regressions between individual MODBs and cognitive outcomes showed that legal performance-enhancing substance use (βs = 0.06-0.07, p < .05) and exercise (β = 0.06, p < .05) were positively associated with some cognition scores. Conversely, lifting weights (β = - 0.06, p < .05) and eating different foods than usual (β = - 0.05, p < .05) exhibited negative associations with some of the cognitive outcomes. Future research should be conducted to examine other potential outcomes related to the drive for muscularity and associated MODBs
Adverse Childhood Experiences Associated with Greater Internalization of Weight Stigma in Women with Excess Weight
Adverse childhood experiences (ACEs) may be an early life factor associated with adult weight stigma via biological (e.g., stress response), cognitive (e.g., self-criticism/deprecation), and/or emotional (e.g., shame) mechanisms. This pilot study investigated relationships between ACEs and internalized and experienced weight stigma in adult women with overweight/obesity and explored differential relationships between weight stigma and ACE subtypes (i.e., abuse, neglect, household dysfunction). Adult women (68% white, Mage = 33 ± 10 years, MBMI = 33.7 ± 7.2 kg/m2) completed measures of ACEs (ACE Questionnaire), internalized weight stigma (IWS; Weight Bias Internalization Scale—Modified; WBIS—M), and lifetime experiences of weight stigma (yes/no). Data were analyzed with linear and logistic regression (n = 46), adjusting for age, race, and body mass index (BMI). Linear regressions revealed a positive association between ACE and WBIS—M scores (β = 0.40, p = 0.006), which was driven by Abuse-type ACEs (β = 0.48, p = 0.009). Relationships between WBIS—M scores and Neglect- and Household-Dysfunction-type ACEs did not reach significance (β = 0.20, p = 0.173; β = −0.16, p = 0.273). Though descriptive statistics revealed greater rates of experienced weight stigma endorsement by those with high-3+ ACEs (81%) vs. medium-1–2 ACEs (67%) or low/no-0 ACEs (60%), ACE scores were not significantly associated with experienced weight stigma in logistic regression (Wald = 1.36, p = 0.244, OR = 1.324, 95%, CI = 0.825–2.125). ACEs may be an early life factor that increase the risk for internalizing weight stigma in adulthood. Larger studies should confirm this relationship and follow-up on descriptive findings suggesting a potential association between ACEs and experienced weight stigma