PSYCH257 Chapter Notes - Chapter 8: Olanzapine, Binge Eating Disorder, Anorexia Nervosa

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH257
• Professor: Allison Kelly

Document Summary

Bulimia nervosa: out-of-control eating episodes binges are followed by. Anorexia nervosa: the person eats nothing beyond minimal amounts of food, so that body weight drops. Pisa study: 83% of people suffering from an eating disorder evidenced an extreme desire to be thin. 20% of people suffering from an eating disorder over an extended period of time will die as a result of their disorder, 5% dying within ten years. Anorexia nervosa has the highest mortality rate of any psychological disorder. 30% of anorexia related deaths are suicide 50% higher than the general population. Eating disorders increased dramatically in western countries from about. Between 1975 and 1986, anorexia rates rose slowly, where as bulimia rates rose rapidly. Subtyped into purging & non-purging (exercising or fasting: non-binging is rare: only 6-8% of bulimia patients. Vomiting reduces 50% of the calories consumed. Laxatives have little affect as they act long after the binge.