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“The field of eating disorders, although still in its infancy, has involved into a sophisticated, multidisciplinary area of research and treatment.” 1But we do understand more about the eating disorders: anorexia nervosa, bulimia nervosa, and binge eating disorder. 

Anorexia nervosa is an eating disorder with the remarkable character of pursuing weight loss that far beyond the normal range.1 This syndrome usually performed as a fear of fatness or pursuit of thinness.3 People with anorexia nervosa have distorted body image and often refuse to eat or lose weight by other extreme methods. 2Bulimia nervosa is an emotionally based disorder that foods are used to satisfy the inner need psychologically rather than physically. Bulimic people feel a powerful urge to eat to meet the abnormal satisfied full feeling. In their “good days”, they usually have no compulsion to binge eat. Binge eating disorder is the most recently described one. 2Patients of binge eating disorder binge eating without the use of compensatory behaviors. They intake excessive foods that far more than the amount normal people need to maintain good nutrition.And people with binge eating disorder do not have anorexia nervosa; neither do they have bulimia nervosa because they don’t use methods like starvation, self-induced vomiting, and laxative to control weight. 4

Between anorexia nervosa and bulimia nervosa, many similarities anddifferences exist. Both patients over evaluate their shape and weight. Usually normal people assess themselves on the basis of their performance in various domains such as relationships and work.5 However, people with anorexia nervosa and bulimia nervosa judge their self worth exclusively, in terms of body shape and weight and even their ability to control them. In anorexia, there is a sustained and determined pursuit of weight loss. Self induced vomiting and other extreme forms of weight loss behaviors such as misuse of laxatives or diuretics. These patients tend to view their low body weight as a success or accomplishment rather than a torture. But in bulimia nervosa, similar attempts to control body shape and weight undermined by repeat uncontrolled overeating.In a word, both anorexia nervosa and bulimia nervosa patients take extreme methods to lose weight but anorexia nervosa patients don’t have binging eating while bulimia nervosa patients have. The symptom of both disorders also worth to mention. Depression and anxiety disorders are often prominent. Sometime also have liability of mood, impaired concentration, loss of sexual appetite. Other medical complications and health risks include concentration and fatigue loss, skin dryness, abnormal heart function, brittle fingernails and etc. 6

Bulimia nervosa and binge eating disorder share the same symptom of binge eating and limited overlap.5 From the meaning of character, Bulimia means insatiable appetite in Greek that sounds really close to binge eating. Bulimia nervosa can be divided into two types: (1) use of self-induced vomiting, laxatives, or enemas following a binge eating, and (2) use of other inappropri论文英语论文网提供整理,提供论文代写英语论文代写代写论文代写英语论文代写留学生论文代写英文论文留学生论文代写相关核心关键词搜索。

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