APPH 1040 Lecture Notes - Lecture 10: Diabetes Mellitus Type 2, Cardiovascular Disease, Overeating
Document Summary
Overweight n obesity - a complex chronix disease where abnormal/excessive body fat impairs health. Overeating doesn"t cause obesity, the disease causes overeating. Obesity has tripled in the last 50 yrs. Genetic 40-70% of obesity is inherited. Metabolic rate is impacted by what u do. Fto gene - regulates satiety n appetite. High satiety - not rly wanting to eat. Key factors that put ppl at risk range. Thrifty gene theory - body holds onto food once consumed because it assumes you won"t eat again. Set point theory - body manipulates metabolism to maintain weight in a weight. Bmi - a # calculated from a person"s weight n height. Waist circumference used to assess abdominal fat. Beer bellies are highly associated w heart disease n diabetes. Body composition - ratio of lean mass to fat mass. Pinches skin in various locations of body. Sends an electrical current thru body to see rate it travels. Uses low-level x-ray to differentiate bone tissue.
