- An overview of the causes and symptoms of anorexia nervosa
- A rundown of the procedures used to diagnose and treat anorexia nervosa
- Details on preventive measures and prognosis
Definition
Anorexia nervosa is an eating disorder characterized by unrealistic fear of weight gain, self-starvation, and conspicuous distortion of body image. The name comes from two Latin words that mean “nervous inability to eat.” In females who have begun to menstruate,
anorexia nervosa is usually marked by amenorrhea, or skipping at least three menstrual periods in a row. The fourth edition of the Diagnostic and Statistical Manual of Mental
Disorders, or DSM-IV (1994), defines two subtypes of anorexia nervosa—a restricting type, characterized by strict dieting and exercise without binge eating; and a binge-eating/purging type, marked by episodes of compulsive eating with or without self-induced vomiting and the use of laxatives or enemas. DSM-IV defines a binge as a time-limited (usually under
two hours) episode of compulsive eating in which the individual consumes a significantly larger amount of food than most people would eat in similar circumstances.
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