I'm thinking about things and my mind just wandered to this: What if overweight people are just related to bears (or animals that hibernate) more than others? It's plausible.
I mean, humans are pretty crazy and it wouldn't be insane for their bodies to malfunction.
Think of this, there's air conditioning in houses. What if air conditioning triggers our bodies into thinking it's becoming winter? If that's what's happening, then we would eat more from that, right?
I just had a random brain fart, ignore this-
Or add onto the theory