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By Mayo Clinic staffIt's not known with certainty how many people have binge-eating disorder, in part because it's still not clear exactly what binge-eating disorder is. But some experts say that binge-eating disorder is the most common of all eating disorders. Estimates suggest that up to 4 percent of the U.S. population has binge-eating disorder, with girls and women slightly more likely than boys and men to develop the condition. Both children and adults can develop binge-eating disorder, but it's most common when in your 40s and 50s.
Mental health experts are still trying to understand what factors may increase the risk of developing binge-eating disorder. The risk factors may vary from those of other eating disorders, such as anorexia or bulimia. Risk factors for binge-eating disorder may include:
- Dieting. Dieting is often a risk factor for anorexia and bulimia, but it's not clear what role it plays in binge-eating disorder. People with binge-eating disorder have a mixed history of dieting — some have dieted to excess dating back to childhood, while others haven't dieted. Dieting may trigger an urge to binge eat.
- Psychological issues. Certain behaviors and emotional problems are more common when you have binge-eating disorder. As with bulimia, you may act impulsively and feel a lack of control over your behavior. You may have a history of depression or substance abuse. Binge eaters may have trouble coping with anger, sadness, boredom, worry and stress.
- Sexual abuse. Some people with binge-eating disorder say they were sexually abused as children.
- Media and society. A preoccupation with body shape, weight and appearance is common when you have binge-eating disorder. Messages in the media that equate thinness with success may heighten the self-criticism that's common in binge eating.