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Bulimia Nervosa: The Vicious Cycle

The aspect of psychology of interest is eating disorders, specifically bulimia nervosa.The reason for the curiosity and interest in this specific area is due to many experiences with friends that have been diagnosed with it as well as reading many articles on the issue.I find that many of my high school classmates were borderline eating disorders and just not aware of it. Having had numerous friends suffering from an eating disorder of some kind and a best friend suffering from bulimia nervosa, I acquired a deep interest in the area. I believe reasons and causes for it are much more complex and deal with things like genetic factors and either a lack of or an excess of important brain chemicals.
The Diagnostic and Statistical Manual of Mental Disorders provides the diagnostic criteria currently used by professionals researching in the field of eating disorders-bulimia nervosa in this case, or those professionals helping individuals suffering from the disorder.The following criteria is obtained from the DSM-IV (1994) NOS 307.51 and used by professionals to diagnose bulimia nervosa:
A. Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following:
(1) Eating, in a discrete period of time (e.g., within any 2-hour period), an amount of food that is definitely larger than most people would eat during a similar period of time and under similar circumstances
(2) a sense of lack of control over eating during the episode (e.g., a feeling that one cannot stop eating or control what or how much one is eating)
B. Recurrent inappropriate compensatory behavior in order to prevent weight gain, such as self-induced vomiting; misuse of laxatives, diuretics, enemas, or other medications; fasting; or excessive exercise.
C. The binge eating and inappropriate compensatory behaviors both occur, on average, at least twice a week for 3 months.
D. Self-evaluation is unduly in…

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