165b fat people Flashcards
BMI
< 18.5 underweight 18.5–24.9 normal weight 25.0–29.9 overweight > 30.0 obesity > 35.0 severe obesity > 40.0 morbid obesity > 45.0 super obesity
which group has the highest number of extremely obese (BMI>=40)
black women
how do people become obese?
people under report calorie intake by 50% –> not due to hypometabolism
Obese people consume and burn more calories
major determinate of BMR?
fat-free mass
what is added when people get heavier?
2/3rds fat + 1/3rd muscle/lean
slightly increased BMR too
total energy ependiture?
BMR + TEF + PAL
NEAT
non-exercise activity thermogenesis - movement that results in burning calories
not exercise but part of PAL
fat people spend less time moving around
unintended consequences of domestice mechanization?
burns ~100 cal / day
activity and caloric intake
matches for light to heavy work –> intake and expenditure match for moderate to hard work
when you don’t do any work though, calorie intake goes up –> increases weight
obesity - do genetics play a role?
yes, with the environment
obese mother during pregnancy
increased risk of kids being fat
genetic expression will be changed due to increased fuel exposure in the primordial environment
do having fat friends increase your odds of being fat?
yes
does intermittent excessive caloric intake affect weight gain?
yes
