NS 1150 Lecture Notes - Lecture 22: Meal Replacement, Puberty, Twin
24 Oct 2016
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Overreating does not necessarily cause underreating: despite overfeeding period in the middle, recovery and baseline caloric intake is the same. Role of genetics: accounts of variance in bmi: animal genetics. At least 22 strains of genetically obese mice. Sluggish sympathetic nervous function: family studies. Not necessarily genetic, could be eating habits. Mono reared together: body weightheight. Variance in weight of monozygotic twins is due to genetics, Role of early development other is environment: adipose cells remain fairly constant across a lifetime. Don"t generate more cells, but get larger. More fat cells, smaller at birth: development of adipose cells humans. Two stages of rapid fat cell development: No not impractical or humane, have to starve kids. Evidence: environmental determinants of eating: occasion to eat. Incomplete compensation for eating less at meals: portion size.
