> it was evolutionary advantageous for most people to put on weight until very recently And it will perpetually remain possible for it to very abruptly and une

> it was evolutionary advantageous for most people to put on weight until very recently And it will perpetually remain possible for it to very abruptly and unexpectedly prove advantageous once again. Primates in the wild really hit the nail on the head here. We clearly lost the equivalent at some point and haven't rapidly regained it. There has to be a reason for that (though it might well prove to be entirely incidental).