You are right and I apologize - My original post made it sound I believe it was a driver of human evolution. I do not actuay believe that, but I do believe it w

You are right and I apologize - My original post made it sound I believe it was a driver of human evolution. I do not actuay believe that, but I do believe it was a factor. it’s very very difficult to prove either way and I do think the science has not been decisive either way.