<p>The DSM-IV describes anorexia nervosa as abnormally low weight, the absence of three periods in post-menarche females, and an intense preoccupation with gaining weight or body image. Persons who are afflicted by the eating disorder appear to be much skinnier than average human beings. Anorexia nervosa presents itself in two forms. In the first form, afflicted persons will restrict their diets well below the advisable daily caloric intake. Persons may completely remove carbohydrates, proteins, and fats from their diet, while only eating small portions of fiber. The second form occurs when a person follows an eating cycle of binging and purging. Persons with this form of anorexia nervosa will go long periods without eating before overeating for period of time. Binge and purge cycles differ from bulimia in that they are usually the result of bodily demands for nutrients, instead of emotional compulsion. If you, or someone you know, show signs of anorexia nervosa, then medical officials should be contacted right away. Eating disorders can be caused by psychological conditions which may be treated through clinical therapy. Support from family and friends are essential in helping a person afflicted by anorexia nervosa recover.

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