Anorexia nervosa is an eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted body image. People with anorexia nervosa may restrict their food intake or engage in other behaviors, such as excessive exercise or purging, in an effort to lose weight or prevent weight gain. Anorexia nervosa can have serious health consequences, including malnutrition, heart problems, and bone loss. Treatment typically involves a combination of therapy, nutritional support, and sometimes medication.
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