PS 280- (7) Eating Disorders

Prevalence of A.N (Anorexia Nervosa) or B.N (Bulimia Nervosa) A.N= 1-2% of females B.N= 3-10% of females in North America -begins in early adulthood (extreme dieting) Comorbidity= mood, anxiety, poor impulse control, substance issues

Criteria for Anorexia Nervosa (AN):

Bulimia Nervosa (BN): criteria: 1. recurrent episodes of [blank_start]binge[blank_end] eating (2hr period) 2. recurrent compensatory behaviour aimed at preventing weight gain 3. binge eating & compensatory behaviour ([blank_start]purging[blank_end], exercising) must occur at least once per week over a period of at least 3 months 4. persons self-evaluations must be seriously influenced by concerns about body weight & shape

Binge Eating disorder: recurrent episodes of binge eating associated with 3+ of the following: 1. eating more [blank_start]rapidly[blank_end] than normal 2. eating until uncontrollably [blank_start]full[blank_end] 3. eating large amounts when not hungry 4. eating [blank_start]alone[blank_end] (embarassment) 5. feeling disgusted with oneself (depressed, guilty after eating)

Medical Consequences of eating disorders: (especially if [blank_start]purg[blank_end]ing): -yellowish [blank_start]skin[blank_end] -cardiovascular complications -corroded [blank_start]teeth[blank_end] (acid from puking) -amenorrhea -osteoporosis -l[blank_start]anugo[blank_end] -GI tract problems -amenia -dry skin & hair -[blank_start]potassium[blank_end] deficiency --> muscle weakness cardiac irregularity