Anorexia nervosa
Definition
Anorexia nervosa (AN) is an eating disorder characterized by an intense fear of gaining weight and becoming fat. Because of this fear, the affected individual starves herself or himself, and the person's weight falls to about 85% (or less) of the normal weight for age and height.
Description
AN affects females more commonly than males-90% of those affected are female. Typically, the disorder begins when an adolescent or young woman of normal or slightly overweight stature decides to diet. As weight falls, the intensity and obsession with dieting increases. Affected individuals may also increase physical exertion or exercise as weight decreases to lose more pounds. An affected person develops peculiar rules...
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