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is defined as two or more episodes of binge eating (rapid consumption of a large amount of food, up to 5,000 calories) every week for at least three months. The binges are sometimes followed by vomiting or purging and may alternate with compulsive exercise and f ....

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.... of insulin. According to recent research, this practice damages eye tissue and raises the risk of diabetic retinopathy, which can lead to blindness. Many anorectic women also indulge in occasional eating binges, and half of them make the transition to bulimia. About 40% of the most severely bulimic patients have a history of anorexia. It is not clear whether the combination of anorexia with bingeing and purging is more debilitating, physically or emotionally, than anorexia alone. According to some research, anorectic women who binge and purge are less stable emotionally and more likely to commit suicide. But one recent study suggests that, on ....