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Could it have been that lactose intolerance was developed by the various diets in Asia and not by a natural evolution of humankind universally? Because that's e
by fakedang 6y ago
Could it have been that lactose intolerance was developed by the various diets in Asia and not by a natural evolution of humankind universally? Because that's exactly what your second link states - that people from the West are less lactose intolerant compared to people from the East.
- simiones 6y agoLactose intolerance in adulthood is the default for most/all mammals. There is some subset of humans who grew to depend on drinking milk from cows who have adapted to continue producing lactase for their entire lives, but this has no spread to all humans.