Well average bone density alone shows that there's quite a difference between whites, blacks and asians when it comes to genetics, it's not news as far as I'm concerned. Heck, you don't even need to go that deep to notice something, just look at their face lol You have the odor, which is more or less pronounced from an indvidual to the next, from one group to the next, but generally not to the point of being unbearable, and then you have the stench...The point at which the odor is unbearable. And that, has to do with what's going on at skin level with bacteria and accumulation, it's not the glands producing it directly. That's where I'm getting at.