[RobbyS]

Well, yes, and no. This does not take into account the high level of disability owing to disease in early man.

[dog breath]

The mortality rate of individuals living in the past was phenomenal. It is our intelligence and culture that enable us to survive. I believe that men have actually gotten larger and healthier. Sure, somebody who does hard work outside for a living toughens themselves up physically and mentally, that is not a revelation.