Anonymous

Probably not. How would you measure the difference, if any?

Anonymous

Our populations are simply adapting to our environments. Indoor living requires less physical effort, so there is that tendency, but selection pressures are very light and perhaps even absent.

Anonymous

Well, we've been sending strong and relatively healthy people off to war, and many did not return to make babies. Society forces us to spend time with computers instead of walking

Anonymous

It depends who you are comparing too. For example will a cave man in the early days defeat UFC Heavyweight contender Francis Singano in a fight? Probably not. But a cave man can defeat a member at the gueek squad at Best buy.