About 7 million women in the U.S. and 1 million men in U.S. have a diagnosable eating disorder. Most persons with eating disorders are younger than 40 years of age. The most common types of eating disorder are bulimia , which includes repeating episodes of abnormally high intake of food at one time (“binging”) often followed by behaviors to prevent weight gain, such as vomiting or use of laxatives and enemas. Anorexia nervosa is the Refusal to maintain normal body weight) or to achieve normal weight during growth. People with anorexia have an intense fear of gaining weight or becoming overweight, even though they are often underweight. They may be malnourished, lose body hair, and stop having regular menstrual periods. Persons with eating disorders often require a team of medical and psychological health care providers to address both medical conditions caused by eating problems and the psychological issues related to body image and eating habits. Psychologists receive advanced training during graduate school, internship, and often post-graduate training for this specialty area.
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