Anorexia and Bulimia :: Causes of Bulimia Nervosa, Anorexia

binge-eating syndrome nervosa is defined as two or much(prenominal) episodes of binge take (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 compulsory exercise and fasting. The symptoms can develop at any age from proto(prenominal) adolescence to 40, exclusively usually become clinically serious in previous(a) adolescence.Bulimia is not as dangerous to health as anorexia, just now it has many unpleasant physical effects, including fatigue, weakness, constipation, fluid retention, swollen salivary glands, erosion of dental enamel, sore throat from vomiting, and scars on the hand from inducing vomiting. utilize of laxatives can cause stomach upset and other digestive troubles. some other dangers are dehydration, loss of potassium, and tearing of the esophagus. These feeding disorders also occur in men and older women, but much less frequ ently. Women with diabetes, who fork out a high rate of bulimia, often lose weight after an eating binge by reducing their dose of insulin. According to recent explore, this rehearse damages eye tissue and raises the risk of diabetic retinopathy, which can gallop to blindness.Many anorexic women also indulge in occasional eating binges, and half of them make the transition to bulimia. About 40% of the most heavily bulimic patients have a history of anorexia. It is not clear whether the gang 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 the contrary, they are more likely to recover.The exact cause of the disorder is unknown, but a variety of psychological, social, cultural, familial and biochemical theories are being investigated. Bulimia has been recog nized for a much shorter time than anorexia, and there is less research on its origins. unitary theory is that bulimic women lack all the maternal affection and involvement they need and soothe them with food as compensation. The overgorge subdues feelings of which they are barely conscious, at the price of later shame and self-hatred. One recent study found that bulimic women differed from depressed and anxious women in several ways. They were more likely to be overweight, to have overweight parents, and to have begun menstruating early. They were also more likely to say that their parents had high expectations for them but limit contact with them.