3 ms·
> actose intolerance in the US is inversely correlated with wealth I'm not well informed about the causes of lactose intolerance. Is this correlation diet-ind
by mac01021 7y ago
> actose intolerance in the US is inversely correlated with wealth
I'm not well informed about the causes of lactose intolerance. Is this correlation diet-induced/environmental? Or is it a congenital/racial thing where white people be rich and everyone else is genetically intolerant?
- shafyy 7y agoThe latter.
- mr_toad 7y agoLactose intolerance is the norm. Tolerance is unusual in adult mammals. In humans, it appears to be a very recent mutation, probably associated with the domestication of livestock. https://en.wikipedia.org/wiki/Lactase_persistence https://en.wikipedia.org/wiki/Lactase_persistence