> many people...have developed lactose tolerance....what does that tell us? It is that those people who drank milk lived longer and had more kids than those who could not drink milk. So, in spite of this horrible betacellulin, milk drinkers were MORE fit, that is lived and had more kids than non milk drinkers.

I enjoy your posts Tom, but this is specious reasoning.  What you seem to mean to say is that of those populations who drank milk, those who were able to develop tolerances to it lived longer.  Yes, that's called natural selection.  But toleration isn't thriving.

Cows milk ain't paleo, therefore consume at your own risk.

Jim