>Grains and milk are relatively recent to our diet (past 10000 years) People have been eating wild wheat for at least 50,000 years and archeologists published

>Grains and milk are relatively recent to our diet (past 10000 years) People have been eating wild wheat for at least 50,000 years and archeologists published a paper in the December, 2009, issue of Science on their discovery in Mozambique of stone tools with wild grain residues dating some 105,000 years ago. Also keep in mind that most of humanity is lactose tolerant now while less than 1% was even 10k years ago and the prevalence of blue eyes has increase from a rounding error to over 6% of the human race. Human evolution is 100 times the rate it was in prehistoric times according to some estimates.