PMY 302 Midterm: Eating disorders and obesity

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Pharmacology And Toxicology
PMY 302
stewart Clark

Eating disorders and obesity 1. General 1) The central theme underlying body-image is body perception, it’s the concept taught by society what is beautiful or not 2) It’s different from cultures 2. Size and perception 1) For men: the 4 ratings are about the same • Men vote their current body shapes the same as their own ideal and attractive type, as well as what they think women will think they are attractive 2) For women: • Men’s ideal body size is heavier than a woman think • Women don’t think they are living up to anyone's ideal body type • They rated their body weight heavier than they attractive a own ideal type 3. Feeding and eating disorders 1) Pica 2) Rumination disorder: usually an infant or young child -- brings back up and re-chews partially digested food that has already been swallowed. In most cases, the re-chewed food is then swallowed again; but occasionally, the child will spit it out. 3) Avoidant/restrictive food intake disorder: the person isn’t able to take in adequate calories or nutrition through their diet. 4) Anorexia Nervosa (AN) • Intense fear of gaining weight or becoming “fat” coupled with refusal to maintain adequate nutrition and with severe loss of body weight 5) Bulimia Nervosa (BN) • Frequent occurrence of binge-eating episodes, accompanied by a sense of loss of control of overeating and recurrent inappropriate behavior such as purging or excessive to prevent weight gain 6) Binge Eating Disorder (BED) 7) Eating Disorder Not Otherwise Specified (EDNOS) 4. AN 1) Criteria • Refusal to maintain body weight at or above a minimally normal weight or age and weight o Less than 85% of expected weight (BMI<=17.5) o Failure to gain weight at appropriate developmental points • Intense fear of becoming fat despite being underweight • Amenorrhea: loss of menstrual cycle • Disturbance in perception of body weight, denial of the seriousness of the current body weight 2) 2 types of AN • Restricting type o Limit caloric intake • Binge-eating -purging type o Binge on small amounts of food and then purge more consistently than in bulimia (after every meal) o 50% of anorexics are binge/purge type • Somebody that has an AN has to be underweight, somebody with BN is not 3) Statistics • 90-95% are women, 0.8% lifetime prevalence for females • Homosexual or bisexual male • Onset around age 13, decline after 25 • Less common than bulimia • Tends to be chronic without care • Extremely resistant to treatment 4) Consequences • amenorrhea/low testosterone level • Dry skin, brittle hair and nails • Yellow skin • Susceptibility to cold • Lanugo: downy hair on body and face • Low blood pressure • Cardiac problem, including death 5. BN 1) Criteria • Frequent episodes of binge eating • Lack of control over eating (binge) • Recurrent inappropriate behavior to prevent weight gain (vomit, laxatives) • Unlike patients with AN, BN patients are with normal weight 2) what is Binge? • A binge involves the out-of-control eating of amounts of food that are far greater than what most people would eat in the same amount of time and under the same circumstances (thousands of calories) 3) triggers for binges • Tension • Eating something (anything at all) • Being alone • Craving specific • Thinking of Foods • Going home (after school/work) • Feeling bored and lonely • Feeling hungry • Drinking alcohol • Going out wit
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