Body weight is correlated with biological but not

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Body weight is correlated with biological but not adoptive parents body weight 50-85% of variability in body weight is genetic Suggested that basal metabolic rate is inherited Energy balance equation Treatments Jaw wiring Stomach stapling Reducing the absorption of food from the small intestine Exercise Drugs
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Calculate your BMI sity/BMI/bmicalc.htm
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Exercise reduces insulin resistance in healthy and obese people
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Interaction with Obesity & Type 2 Diabetes
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Losing weight: Consider Glycemic index
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Sleep is protective against obesity
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EATING DISORDERS
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Anorexia A norexia nervosa- eating disorder in which an exaggerated concern with being overweight leads to excessive dieting & compulsive exercising & can lead to starvation Commonly afflicts young women Research Experiments show that anorexics are still physiologically responsive to food Twin studies indicate heredity factors Also indicate intrautarine enviroment may be important fMRI studies show anorexics have differntial activation in brain areas involved in control & less activation when rewarded for a correct answer Suggest maybe don't take much pleasure in food
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Anorexia New findings on melanocortin system as being involved in the disorder System changes appetite & helps control body weight by monitoring energy balance Treatments Therapy is not highly successful Approximately 30% show good recovery Drug treatments don’t seem to work Tried older antipsychotics & THC & Prozac They don't seem to help very much Newer antipscychotics are more promising but no clinically controlled trials
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Bulimia Bulimia nervosa- eating disorder that is characterized by a loss of control of food intake Some bulimic overeat while some undereat & often accompanied by depression Different disorder than anorexia Likened to drug addiction as a food addiction Treatment with drugs can work Prozac
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