KINE 200 Lecture 5: Topic 5 Part 2 Fall 2016
2 Mar 2017
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Document Summary
Number of obese americans is 75% higher today than 15 years ago. Medical cost of obesity today is billion accounts for 9. 1% of country"s medical expenses, up from 6. 5% in 1998. Obesity can take 10 years off life expectancy, being overweight can take 1 year from life expectancy. Brown adipose tissue: transfers energy from food into heat. White adipose tissue: most common type of fat storage. More energy in food than energy out weight gain. America is not a physically active culture. Increased food portions and decreased availability of healthy food. Genetic studies of identical twins tend to have the same body genes matter. Determined by genes: amount of fat stored, where fat is stored. Family tradition type of foods consumed. Cushing syndrome increased expression of cortisol: cortisol increases fat deposition. Polycystic ovarian syndrome harder for body to use insulin & increased levels of androgens weight gain. Nicotine increases heart rate and helps burn calories.
