NS 115 - Lecture 18 - Lecture 18 Eating October 15, 2008...

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Lecture 18 – Eating October 15, 2008 Theories of Eating Behavior o 2 major groups of theories Biological (dominant theory) eating behavior is closely tied biologically to energy balance energy balance over one year o 2000 cal diet per day = 730,000 cal per yr. o average American gains ½ a lb. per year 1,750 cal of error (0.24% error) o something in your body is going to detect when you’re gaining weight in order to have this kind of precision o physiological regulatory mechanisms regulate this precision Environmental o Oldest Theories of Eating Eating must be local – stomach Stomach shrivels if you don’t eat Surgeons have tried to use the stomach to reduce the amount of energy consumed so that you lose weight Reducing the size of the stomach o Stomach stapling (reduced volume in half) Problem: stretching of stomach pushes against stomach and they come out Eating higher fat foods fills volume of stomach When they come out the stomach is exposed to
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NS 115 - Lecture 18 - Lecture 18 Eating October 15, 2008...

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