definition.... Bulimia is an illness in which a person has regular episodes of overeating (bingeing) and feels a loss of control. The person then uses different ways, such as vomiting or laxatives (purging), to prevent weight gain.
eating within a discrete period of time misuse of laxatives self induced vomiting fasting excessive exercise
research... -The primary factor in the development of bulimia nervosa is environmental stress related to the onset of puberty. The word "bulimia" is the Latin form of the Greek word boulimia , which means "extreme hunger."
no changes between editions
treatments... Fluoxetine (Prozac) was approved in 1998 by the Food and Drug Administration (FDA) for the treatment of bulimia nervosa.
evaluation: yes Elton John does have bulimia nervosa because it is categorized as a real physical and psychological disorder which effects him in his daily life. if the condition was not in the DSM V then it would not be categorized as an actual mental impairment.