The eating disorders anorexia nervosa, bulimia nervosa, and binge-eating disorder, all feature serious disturbances in eating behavior and weight regulation. They are associated with a wide range of adverse psychological, physical, and social consequences. A person with an eating disorder may start out just eating smaller or larger amounts of food, but at some point, their urge to eat less or more spirals out of control. Severe distress or concern about body weight or shape, or extreme efforts to manage weight or food intake, also may characterize an eating disorder. Eating disorders frequently appear during the teen years or young adulthood but also may develop during childhood or later in life. Eating disorders are real, treatable medical illnesses.
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