But how many are dying from poor quality food rather than too much food

you're not getting obese from poor quality food, you're getting obese from too much good or bad

Eh actually no

uh yes, you can eat straight donuts and not get fat. not saying its healthy at all but you wont gain weight as long as your calorie intake is low enoguh

Once again depends the donut composition

depends on the calorie amount, for weight gain thats it

Eh not really but u will learn body chemistry one day

buddy doesnt understand thermodynamics

??? THERMODYNAMICS LMAOOO

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