BIO 111 Lecture Notes - Lecture 22: Bulimia Nervosa, Binge Eating Disorder, American Psychiatric Association
24 Dec 2020
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Involves episodes of binge eating following by various mean to purge the food. Most common among young adults of college age. The person recognizes they have a problem. They can be very secretive about it. Often have low-self esteem and are depressed. Tend to come from disengaged loosely organized families. Family rules were not clearly defined or disregarded. Official diagnostic criteria- person must binge and purge at least twice a week for 3 months. Binge- purge cycles may be daily, weekly or at longer intervals. Binge can be triggered by boredom, loneliness, depression. There is a loss of self control (cake, cookies, ice cream). Purge follows in hopes that no weight will be gained. After the binge/purge, the person feels guilty or depressed about it. This leads to low self esteem or feelings of hopelessness about their situation. Vomiting and use of diuretics can decrease blood potassium. (heart arrhythmia, sudden death) Stomach ulcers and bleeding or tears in the esophagus.
