Eating Abnormalities

Bernadette Wharton-Hawthorne, M.D., Travis Klein, M.D., Traci Speed, M.D., Ph.D., Graham Redgrave, M.D.

DEFINITION

Persistent disturbance of eating or eating-related behaviors, such as insufficient or excessive food consumption, resulting in physical impairment and psychological dysfunction

General behavior descriptors: [1]

  • Restriction: limitation of or insufficient energy intake relative to nutrition requirements, often through dieting or fasting
  • Binge: eating, in a discrete period of time (e.g. 2 hours), an amount of food larger than what the average individual would consume in a similar period in addition to a sense of lack of control of one’s eating during that discrete period
  • Purging behaviors: self-induced vomiting, misuse of laxatives, diuretics, or enemas
  • Compensatory behaviors: excessive exercise, use of diet pills, chewing and spitting food

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Last updated: August 9, 2025