Types of Eating Disorders
Eating disorders are serious, biologically influenced mental illnesses — not lifestyle choices. They affect people of every age, gender, race, ethnicity, body shape, and weight. Understanding each type is essential for early recognition and effective treatment.
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Anorexia Nervosa
Characterized by extreme food restriction, intense fear of weight gain, and distorted body image. Has the highest mortality rate of any mental illness.
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Bulimia Nervosa
Involves recurring cycles of binge eating followed by compensatory behaviors like purging, fasting, or excessive exercise.
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Binge Eating Disorder
The most common eating disorder in the U.S. Characterized by recurring episodes of eating large quantities of food without compensatory behaviors.
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ARFID
Avoidant/Restrictive Food Intake Disorder goes beyond "picky eating" — it significantly impacts nutrition, growth, and daily functioning.
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OSFED
Other Specified Feeding or Eating Disorders includes atypical anorexia, purging disorder, and night eating syndrome. Just as serious as other diagnoses.
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Orthorexia Nervosa
An obsessive fixation on eating only foods perceived as healthy or "pure" — where the pursuit of a perfect diet damages physical health, wellbeing, and relationships.
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Purging Disorder
Recurrent purging — vomiting, laxatives, or diuretics — to control weight or shape, without the binge eating that defines bulimia. An OSFED subtype with serious medical risks.
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Atypical Anorexia
All the features of anorexia — restriction, fear of weight gain, body-image distress — except the person is not underweight. Common, medically serious, and often missed.
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Night Eating Syndrome
A delayed pattern of eating — little appetite in the morning, excessive eating at night, and waking to eat while fully aware. A recognized form of OSFED that responds to treatment.
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Muscle Dysmorphia (Bigorexia)
An obsessive preoccupation that the body is too small or not muscular enough — even when it isn’t. Sometimes called "reverse anorexia," it overlaps with disordered eating and predominantly affects men.
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Compulsive Overeating
Recurrent, out-of-control eating — including grazing and emotional eating. How it relates to binge eating disorder and the debated idea of food addiction.
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Diabulimia (ED-DMT1)
An eating disorder in which a person with type 1 diabetes restricts or skips insulin to lose weight — one of the most medically dangerous eating disorders.
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Pica
The persistent eating of non-food, non-nutritive substances like ice, dirt, chalk, or paint. Not driven by weight — often linked to iron deficiency, pregnancy, or developmental conditions.
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Rumination Disorder
The effortless, repeated regurgitation of recently eaten food — without nausea or retching — which is then re-chewed, re-swallowed, or spat out. Treatable, but often misdiagnosed for years.
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Other Eating Disorders
Pica, Rumination Disorder, and Unspecified Feeding or Eating Disorders — less commonly discussed but equally important to recognize.
Read moreKey Facts About Eating Disorders
Eating disorders are not a choice. They are complex conditions that arise from a combination of genetic, biological, environmental, and psychological factors. Research shows that genetics account for 50-80% of the risk for developing an eating disorder.
Anyone can develop an eating disorder. While eating disorders are often stereotyped as affecting young, white, affluent women, they occur across all demographics. Men represent approximately 25% of individuals with anorexia nervosa and are at higher risk of dying because they are often diagnosed later.
You cannot tell if someone has an eating disorder by looking at them. Less than 6% of people with eating disorders are medically diagnosed as "underweight." Eating disorders occur at every body size.
Eating disorders have the highest mortality rate of any mental illness. Every 52 minutes, someone dies as a direct result of an eating disorder. Early intervention dramatically improves outcomes.
Think you or someone you know may have an eating disorder?
Early intervention is the most important factor in recovery.