Conditions InDepth: Eating Disorders
Eating disorders are serious disturbances in eating behavior, such as extreme and unhealthy reduction of food intake or severe overeating. They also occur with feelings of distress or excessive concern about body shape or weight. The main types of eating disorders are anorexia nervosa , bulimia nervosa , and binge eating disorder . Eating disorders often develop during adolescence or early adulthood, but may also start during childhood or later in adulthood. Females are much more likely than males to develop an eating disorder. Eating disorders frequently occur with other psychiatric conditions, such as depression , substance abuse , and anxiety disorders . In addition, people with eating disorders can experience a range of physical health complications. While some of these are minor, others can cause serious heart conditions, kidney failure , and even death.
Anorexia NervosaAnorexia nervosa is an eating disorder in which you are obsessed with dieting and exercise, which leads to excessive weight loss. You are generally considered anorexic when you do not maintain your body weight at or above 85% of your expected weight.
Bulimia NervosaIf you have bulimia nervosa, you feel overly concerned with your weight and body image. Bulimia nervosa is an eating disorder in which you compulsively eat large amounts of food. This is called binging. Then, you use unhealthy means, such as vomiting, laxatives, or water pills, to rid your body of the food. You may also diet or engage in extreme amounts of exercise to use up calories taken in through binging.
Binge Eating DisorderIf you have binge eating disorder, you eat excessive amounts of food within a short period of time. Episodes of binge eating are associated with at least three of the following:
- Eating more rapidly than normal
- Eating until you feel uncomfortably full
- Eating large amounts of food although you don’t feel hungry
- Eating alone due to embarrassment about the amount of food you eat
- Feeling disgusted about yourself, depressed, or guilty about your eating behavior
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