Eli5:What prevents our bodies to get rid of excess food/calories that are not necessary, and instead turns it into fat?

Question

Eli5:What prevents our bodies to get rid of excess food/calories that are not necessary, and instead turns it into fat?

In: 55

Answer 1

Fat is what keeps us alive when we have no access to food. It’s a built-in survival storage system for many, if not all, animals. Including humans. We view fat as bad, but it’s not. Too much of it is bad. But then too much of anything is bad. That’s why it’s “too much”.