To be clear: I was talking about the past. The original comment covered the whole breadth of human evolutionary history. We vanquished these diseases in the pa

To be clear: I was talking about the past. The original comment covered the whole breadth of human evolutionary history. We vanquished these diseases in the past 50-100 years mostly. My argument is that diseases did not just all become benign without intervention Native Americans, to take one example, were incredibly healthy in their traditional lifestyles. This did not give their immune systems sufficient strength to fight off smallpox and other diseases.