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Encyclopedia of Nutritional Psychology

Eating disorder

Evidence-informed definition Updated August 12, 2026 How to cite this entry

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Definition and context

An eating disorder is a mental health condition characterized by persistent disturbances in eating behavior, food intake, and thoughts or feelings related to food and eating. It can affect a person’s physical health, emotional well-being, and relationship with food.

Author and reviewer

Editorial responsibility
Written by Aasma Kausar, Msc Applied Psychology
Reviewed by CNP Encyclopedia Editorial Board
Evidence base

References and further reading

  1. Attia E, Walsh BT. Eating Disorders: A Review. JAMA. 2025;333(14):1242-1252. doi:10.1001/jama.2025.0132. View source
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How to cite this entry

Encyclopedia of Nutritional Psychology. (2026). Eating disorder. The Center for Nutritional Psychology.

https://www.nutritional-psychology.org/encyclopedia/eating-disorder/
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