chapter 6.2 Flashcards
What other factors affect weight other then calorie expenditure and consumption?
stress, food availability and accesbility, depression and sleep
How many hours of sitting a day puts you at health risk
6 hours
3 hours is better
why is it important to get good sleep in
people who are sleep deprived are more likely to eat more because they have a greater release of ghrelin in lower release of leptin
How much calories does it take to lose or gain 1 pound.
3500
RMR vs BMR
RMR includes BMR and any other sedentary activities throughout the day (sitting, standing, digestion), Bmr is body under resting condition at normal room temperatures
EMR vs TEF
energy expenditure due to physical activity (walking stairs, vaccuming, washing dishes) vs energy required to digest, absorb, and metabolize nutrients
define Ketosis
body adapts to prolonged fasting or carb deprivation by converting body fat to fuel
Very low calorie diets have?
400-700
how many gene marker have been related to obesity
250
likeliness of obesity if a child has one obese parent? 2 obese parnets?
40%. 80%
What gene is a promising candidate for obesity
less than 1% fall into this category
GAD2 (promotes appetite)
Ob gene (disrupts bodys full signa;)
Ob gene theory
struggled with famine so gene promotes eating as much as possible while available in turn it lowered their BMR to help with fat storage
for obese people what is it believed about their hypothalamus
they will eat more often and more intensely due to it
What is Adaptive Thermogenesis
brain regrates metabolic activity according to caloric intake
what does GLP-1 do
hormon that slows passage of food and stimulate insulin
key in controlling obesity and T2D
