>In all seriousness folks, humans and cheetahs and a few other species, are uniquely susceptible to extinction by disease. Cheetah aren't going to stop using p

>In all seriousness folks, humans and cheetahs and a few other species, are uniquely susceptible to extinction by disease. Cheetah aren't going to stop using protection just because there is nothing to fear anymore. >Something bad happened to us a long time ago and thus we can trace our ancestry to a few individuals! These few individuals left Africa by crossing the Sinai and went to spread around the world. That was definitely bad for Neanderthals.