Anorexia nervosa is an eating disorder that occurs when a person refuses to eat an adequate amount of food or is unable to maintain a minimally healthy weight for their height—a body mass index below ...

The 3 eating disorders--anorexia nervosa, bulimia nervosa, and binge eating--occur at a frequency far greater than usually realized. Anorexia has been found to be present in up to 1% of teenage and ...