nutri sci exam 3 - EatingDisorders etiology...

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Eating Disorders 04:49 etiology - psychological disorders - demographic 95% female 90% middle and upper class whites nearly all in wealthy industrialized nations 80% highly educated 1 in 100 women 20% of college women anorexia nervosa - DSM book that defines eating disorders fear of obesity distorted body image weight loss more than 25% of body weight refusal to maintain normal body weight history medical literature – 1989 1920-1925   flapper era 1960s   high in US, UK, Switzerland - onset early adolescence
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- course usually unremitting unless intervention 30% continue until die of starvation, who don’t get treated rare single episodes mortality 5-10% familial pattern beliefs about eating passed down - behavior traits obsessive and compulsive behaviors perfectionism high-functioning goal orienting - complications hypothermia edema amenorrhea (bone loss and lower bone density) lunago (grow fine hair all over body) brittle nails, hair, skin weakness fatigue muscle wasting poor wound healing
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electrolyte imbalance cardiac arrythmia DEATH - treatment hospitalization in patient refeeding psychotherapy nutrition education antidepressants binge eating disorder - recurrent binges consumption of large amounts of high calorie, easily digested food energy dense food discrete period of time stopped by pain, sleep, or interruption body weight increases high BMI awareness of abnormality of this inability to stop depression
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not linked to physiological cause 15% of college women significant subset obese population depression - onset binge stress induced - complications heart burn hyperthermia bloating diarrhea/constipation higher risk of type 2 diabetes - treatment outpatient (no hospitalization) psychotherapy nutrition education behavior modifications exercise drug treatment Bulimia Nervosa - recurrent binges - compensation
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starving purging vomiting laxatives diuretics excessive exercise - normal weight range – some fluctuations - history 9-10% of college women first description in 1959   more since 1970s - onset stress induced binges early adulthood - treatment chronic but intermittent over years episodes of alternate binging and purging mostly outpatient psychotherapy behavior modifications nutrition education antidepressants
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- complications ulcers of esophagus, mouth enlarged parietal glands pitted teeth dehydration reflexive vomiting rebound constipation electrolyte imbalances cardiac arrhythmia   death Pica - repeated eating of non-food substances - early age onset - predisposing factors mental retardation neglect/poor supervision poverty - mineral deficiency - complications poisoning lead poisoning intestinal obstructions
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Exercise and Sports Nutrition 04:49 - daily activity vs. exercise
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This note was uploaded on 02/29/2012 for the course NUTRI SCI 132 taught by Professor Anderson during the Fall '08 term at University of Wisconsin Colleges Online.

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nutri sci exam 3 - EatingDisorders etiology...

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