[qbrass]

>Your body is immensely complex, can rid itself of toxins, pathogens, and other invaders ... but is not able to discard excess calories it doesn't need? To the point of making you sick and immobile?

>That makes sense to you? That our body doesn't have a regulation mechanism?

It's so new of a concept, that evolution hasn't had to select for it for more than a few generations, while 99.9999999% of your evolution has favored gathering as many calories as possible.

[maratd]

I realize it's fashionable to believe all of our ancestors were starving all the time, but there isn't exactly any evidence to back this up.

We're a social species with status playing a substantial role. It's far more likely some were starving and others were extremely well fed. Same as today. That would mean there was plenty of selective pressure over millions of years. Look at other primates for evidence.

[Shorel]

It also has a lot to do with population size.

We have never been more than some tens of millions until relatively now. So, there was more than plenty of food for all of us.

In fact, if there's one thing where we have had no time for any evolutive adaptation, is our current population size.