chapter 9 part 2 Flashcards
appetite
psychological desire for food
hunger
physiological need for food
how to tell between hunger and appetite
if simple foods sound good or not. ex. banana
what hormone make you hungry?
grhelin
what hormone makes you hungry?
what does it do?
what triggers it?
what supresses it?
ghrelin
it makes u hungry
an empty stomach
high fiber foods
what hormones suppress appetite?
leptin, GLP-1, PYY
leptin
what does it do
what triggers it
is it fast or slow acting
it suppresses appetite
short chain fatty acids in fat cells
slow-acting
GLP-1
what does it do
what triggers it
is it slow or fast acting
suppresses appetite and slows stomach emptying
short chain fatty acids
fast-acting
PYY
what does it do
what triggers it
is it slow or fast acting
suppresses appetite and slows stomach emptying
short chain fatty acids
fast-acting
why to not take leptin supplement
obese people are resistant to leptin and there is little to no leptin in the supplements
how to get GLP-1 without presription
- high fiber diet
- fiber feeds gut bacteria
- creates SCFA
- SCFA’s trigger production of GLP-1 and PYY- increase metabolic rate and decrease appetite
how do genes affect the chances of being overweight?
genetics is a strong predictor for obesity
what is epigenetics?
study of gene expression
how do food addictions cause depression?
- overstimulating dopamine receptors
- dopamine insensitivity
- more stimulation needed for the same dopamine effect
- depression
what is positive energy balance?
more calories coming in than going out