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People with bulimia nervosa consume large amounts of food and then rid their bodies of the excess calories by vomiting, abusing laxatives or diuretics, taking enemas, or exercising obsessively. Some use a combination of all these forms of purging. Because many individuals with bulimia "binge and purge" in secret and maintain normal or above normal body weight, they can often successfully hide their problem from others for years.
As with anorexia, bulimia typically begins during adolescence. The condition occurs most often in women but is also found in men. Many individuals with bulimia, ashamed of their strange habits, do not seek help until they reach their thirties or forties. By this time, their eating behavior is deeply ingrained and more difficult to change.
Bulimia nervosa patients--even those of normal weight--can severely damage their bodies by frequent binge eating and purging. In rare instances, binge eating causes the stomach to rupture; purging may result in heart failure due to loss of vital minerals, such as potassium. Vomiting causes other less deadly, but serious, problems--the acid in vomit wears down the outer layer of the teeth and can cause scarring on the backs of hands when fingers are pushed down the throat to induce vomiting. Further, the esophagus becomes inflamed and glands near the cheeks become swollen. As in anorexia, bulimia may lead to irregular menstrual periods. Interest in sex may also diminish.
Some individuals with bulimia struggle with addictions, including abuse of drugs and alcohol, and compulsive stealing. Like individuals with anorexia, many people with bulimia suffer from clinical depression, anxiety, OCD, and other psychiatric illnesses. These problems, combined with their impulsive tendencies, place them at increased risk for suicidal behavior.
People who develop bulimia and binge eating disorder typically consume huge amounts of food--often junk food--to reduce stress and relieve anxiety. With binge eating, however, comes guilt and depression. Purging can bring relief, but it is only temporary. Individuals with bulimia are also impulsive and more likely to engage in risky behavior such as abuse of alcohol and drugs.
The complex interaction of emotional and physiological problems in eating disorders calls for a comprehensive treatment plan, involving a variety of experts and approaches. Ideally, the treatment team includes an internist, a nutritionist, an individual psychotherapist, and a psychopharmacologist--someone who is knowledgeable about psychoactive medications useful in treating these disorders.
To help those with eating disorders deal with their illness and underlying emotional issues, some form of psychotherapy is usually needed. A psychiatrist, psychologist, or other mental health professional meets with the patient individually and provides ongoing emotional support, while the patient begins to understand and cope with the illness. Group therapy, in which people share their experiences with others who have similar problems, has been especially effective for individuals with bulimia.
Use of individual psychotherapy, family therapy, and cognitive-behavioral therapy--a form of psychotherapy that teaches patients how to change abnormal thoughts and behavior--is often the most productive. Cognitive-behavior therapists focus on changing eating behaviors usually by rewarding or modeling wanted behavior. These therapists also help patients work to change the distorted and rigid thinking patterns associated with eating disorders.
