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Lecture 6

Lecture 6 - Eating Disorders

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University of Toronto St. George

PSY240 Lecture 6: Eating Disorders 64% of American adults are overweight (BMI>25) or obese (BMI>30) 25% of American children are overweight or obese The prevalence has doubled over the past 2 decades, a bit higher in boys (5-15%) than in girls (5-13%), morbid obesity at high especially increase Increase in availability of inexpensive high-fat processed foods, sedentary behaviour, office jobs without physical activity Obesity Associated with health problems (ex. CV disease, type II diabetes expensive to treat, high blood pressure, high cholesterol) Costs the US $100 billion annually and causes 300,000 deaths annually Not a mental disorder, although it can be the result of an eating disorder The Eating Disorder Epidemic Parallel increase in prevalence of dysfunctional eating practices, including eating disorders and unhealthy weight loss crash diets, yo-yo diets In past wasnt associated with body image symbol of strength, protest, spiritual cleansing More prevalent in Westernized cultures simultaneously promotes the thin ideal and excessive consumption, hard to navigate Dieting 45% of women and 25% of men are on diets to control their weight at any given time 16% of women between 19-39 are perpetual dieters 70% of 10 yr old girls have dieted, not seen historically Americans spend $30 billion per year on weight loss products Preoccupation with food and weight can lead to a clinical disorder to feel better, but mainly to look more attractive based on images seen in the media Overview of Eating Disorders Anorexia Nervosa o Drawn to hospitality professions o Bias towards self o DSM-IV Diagnostic criteria started in 1980s: Refusal to keep body weight at or above 85% of the general recognized normal level for age and height Intense fear of gaining weight or becoming fat even when underweight Disturbance in experience of body weight or shape, undue influence of these factors on self-esteem, or denial of the seriousness of the health risks of the current low body weight weight themselves often If menstruation has begun, the absence of three consecutive menstrual cycles might be got ridden of because it doesnt affect men and the weight when it stops varies, as well for women on birth control
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