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

Interestingly evolutionary, fat used to be something to desire and gather as much as you can, but now the societal norms have shifted so far from that that people wonder what the hell our bodies are doing, storing all this fat.