/ck/ - Food & Cooking

>>20018587
Not even, it's a uniquely West African and East Asian problem. Everyone from East Turkmenistan and Mongolia to Spain, from Siberia to Northern India doesn't have lactose intolerance aside from the sick and elderly. Pretty obvious only people with a history of herding graising animals like cows, horses, sheep, goats, yaks, etc. would develop it.

I think this was a map for a single allele associated with lifetime lactase production from a 2012 study.