This is a must read from Keith Norris at Theory to Practice.
Detractors of the Paleo lifestyle are wont to fly the flag of speedy/swift evolution as evidence of the supposed incongruence of the Paleo way vis-à-vis modern man’s interaction within his present-day environment.
I'm not going to give too much away, cause I want you to go read it over there. I'll just add that I blogged on rapid evolution a few weeks back. Finally, the thing about rapid evolution is that we're talking changes over thousands of years vs. tens, hundreds of thousands, and millions.