Eli5 So we need calories to survive. If there are 100 calories in a spoon of oil, how come we can’t survive on oil for emergencies?

Question

Eli5 So we need calories to survive. If there are 100 calories in a spoon of oil, how come we can’t survive on oil for emergencies?

In: 3554

Answer 1

Calories are usually not what kills you.

Every person has quite a lot of emergency calories stored in fat and muscle tissue, enough to last you weeks if not months.

But yes if you were running out of calories you can definitely just consume some fat and be good to go.