A biobehavioral examination of emotional eating in adolescents: Evaluating the role of acute cortisol stress reactivity in the context of a multi-method assessment of eating in response to stress
Appetite(2023)
Abstract
Stress is linked to emotional eating among adolescents, which in turn increases risk for overweight/obesity (OW/ OB) development and continuation. There is a lack of research disentangling chronic and acute stress as pre-dictors of adolescent emotional eating. Further, there is a corresponding need to understand the effects of acute physiological stress reactivity within the context of adolescent emotional eating. The primary aim of this study was to examine the impact of cortisol stress reactivity on emotional eating in adolescents, above and beyond the effects of perceived chronic stress. The impact of subjective stress reactivity was also explored. Adolescents' (N = 49) intake of highly palatable snack foods was measured on separate control and stress-induction (following the Trier Social Stress Test for Children) days. A multi-method approach was used to assess objective (caloric intake) and subjective (self-report) emotional eating. Results indicated that greater cortisol reactivity, but not subjective stress reactivity, predicted subjective emotional eating, beyond the impact of chronic stress. Neither chronic stress nor subjective or objective stress reactivity predicted objective emotional eating following stress-induction. Findings point to the role of chronic stress and cortisol reactivity as risks for greater perceived emotional eating among adolescents, while elucidating differences between perceived and objective emotional eating. Future research should explore how chronic versus acute stress differentially contribute to adolescent weight management.
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Key words
Stress,Emotional eating,Adolescents,Cortisol,Stress reactivity,Weight management
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