• Directory
  • Search
  • All results
  • Journals
  • Definitions
Images:
  • Wikimedia
  • Wikimedia
Mental or Behavioral Dysfunction
eating disorder Audio
eat·ing dis·or·der
Also called:
Anorexia nervosa; Binge eating; Bulimia
Definitions related to eating disorders:
  • A broad group of psychological disorders with abnormal eating behaviors leading to physiological effects from overeating or insufficient food intake.
    NCI
    U.S. National Cancer Institute, 2021
  • Group of disorders characterized by physiological and psychological disturbances in eating behavior, appetite or food intake.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Eating disorders are serious mental health disorders. They involve severe problems with your thoughts about food and your eating behaviors. You may eat much less or much more than you need. Eating disorders are medical conditions; they are not a lifestyle choice. They affect your body's ability to get proper nutrition. This can lead to health issues, such as heart and kidney problems, or sometimes even death. But there are treatments that can help. Common types of eating disorders include: Binge-eating, which is out-of-control eating. People with binge-eating disorder keep eating even after they are full. They often eat until they feel very uncomfortable. Afterward, they usually have feelings of guilt, shame, and distress. Eating too much too often can lead to weight gain and obesity. Binge-eating disorder is the most common eating disorder in the U.S.; Bulimia nervosa. People with bulimia nervosa also have periods of binge-eating. But afterwards, they purge, by making themselves throw up or using laxatives. They may also over-exercise or fast. People with bulimia nervosa may be slightly underweight, normal weight, or overweight.; Anorexia nervosa. People with anorexia nervosa avoid food, severely restrict food, or eat very small quantities of only certain foods. They may see themselves as overweight, even when they are dangerously underweight. Anorexia nervosa is the least common of the three eating disorders, but it is often the most serious. It has the highest death rate of any mental disorder. The exact cause of eating disorders is unknown. Researchers believe that eating disorders are caused by a complex interaction of factors. These include genetic, biological, behavioral, psychological, and social factors. Anyone can develop an eating disorder, but they are more common in women. Eating disorders frequently appear during the teen years or young adulthood. But people can also develop them during childhood or later in life. The symptoms of eating disorders vary, depending on the disorder: The symptoms of binge-eating include: Eating unusually large amounts of food in a specific amount of time, such as a 2-hour period; Eating even when you're full or not hungry; Eating fast during binge episodes; Eating until you're uncomfortably full; Eating alone or in secret to avoid embarrassment; Feeling distressed, ashamed, or guilty about your eating; Frequently dieting, possibly without weight loss. The symptoms of bulimia nervosa include the same symptoms as binge-eating, plus trying to get rid of the food or weight after binging by: Purging, making yourself throw up or using laxatives or enemas to speed up the movement of food through your body; Doing intensive and excessive exercise; Fasting. Over time, bulimia nervosa can cause health problems such as: Chronically inflamed and sore throat; Swollen salivary glands in the neck and jaw area; Worn tooth enamel and increasingly sensitive and decaying teeth. This is caused by the exposure to stomach acid every time you throw up.; GERD (acid reflux) and other gastrointestinal problems; Severe dehydration from purging; Electrolyte imbalance, which could be too low or too high levels of sodium, calcium, potassium and other minerals. This can lead to a stroke or heart attack. The symptoms of anorexia nervosa include: Eating very little, to the point of starving yourself; Intensive and excessive exercise; Extreme thinness; Intense fear of gaining weight; Distorted body image - seeing yourself as overweight even when you are severely underweight. Over time, anorexia nervosa can cause health problems such as: Thinning of the bones (osteopenia or osteoporosis); Mild anemia; Muscle wasting and weakness...
    MedlinePlus
    U.S. National Library of Medicine, 2025
  • Eating disorders are serious conditions related to persistent eating behaviors that negatively impact your health, your emotions and your ability to function in important areas of life. The most common eating disorders are anorexia nervosa, bulimia nervosa and binge-eating disorder.
    Mayo Clinic
    Mayo Foundation for Medical Education and Research, 2025
  • Eating disorders, Abnormal eating patterns, including anorexia nervosa, bulimia, compulsive overeating, and pica (appetite for nonfood substances). These disorders, which usually have a psychological component, may lead to underweight, obesity, or...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
Return to OpenMD Medical Dictionary > E
Try this search on: Farlex, Merriam-Webster, Oxford Dictionary, or Wordnik

This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.

  • About
  • Feedback
  • Guides
  • Terms
© 2026 OpenMD
The content on this site is NOT a substitute for professional medical advice or diagnosis. Always seek the advice of your doctor or health care provider.