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Stress and Obesity.

A Janet Tomiyama1

  • 1Department of Psychology, University of California, Los Angeles, California 90095, USA;

Annual Review of Psychology
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PubMed
Summary
This summary is machine-generated.

Stress significantly contributes to obesity through behavioral and physiological changes, creating a vicious cycle with weight stigma. Addressing stress is crucial for effective obesity prevention beyond diet and exercise.

Keywords:
cortisoleatingobesityphysical activityrewardstigmastress

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Area of Science:

  • Psychoneuroendocrinology
  • Obesity Research
  • Public Health

Background:

  • Stress and obesity are prevalent societal issues with interconnected pathways.
  • Stress impacts cognitive functions like executive function and self-regulation.
  • Obesity can induce stress due to weight stigma, forming a cyclical relationship.

Purpose of the Study:

  • To explore the multifaceted connections between stress and obesity.
  • To highlight the role of weight stigma in perpetuating the stress-obesity cycle.
  • To advocate for stress as a key target in public health policies for obesity prevention.

Main Methods:

  • Review of scientific literature on stress, obesity, and their interactions.
  • Analysis of behavioral, cognitive, and physiological pathways linking stress and obesity.
  • Examination of the impact of weight stigma on stress and obesogenic processes.

Main Results:

  • Stress affects behavior (overeating, reduced physical activity, shorter sleep) and physiology (HPA axis, brain reward processing, gut microbiome).
  • Stress influences hormones and peptides (leptin, ghrelin, neuropeptide Y) related to appetite and metabolism.
  • Weight stigma contributes to stress and obesity, creating a self-perpetuating cycle.

Conclusions:

  • The interplay between stress, obesity, and weight stigma forms a detrimental cycle.
  • Current obesity prevention strategies focusing solely on diet and exercise are insufficient.
  • Integrating stress management into public policy is essential for effective obesity prevention.