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HomeMongolia NewsWhy Did Europeans Evolve Into Becoming Lactose Tolerant? | Science

Why Did Europeans Evolve Into Becoming Lactose Tolerant? | Science

Based on the remnants left on pottery fragments, researchers can say northern Europeans have been drinking milk for 9,000 years.
Seksan Mongkhonkhamsao via Getty Images

Just 5,000 years ago, even though it was a part of their diet, virtually no adult humans could properly digest milk. But in the blink of an evolutionary eye northern Europeans began inheriting a genetic mutation that enabled them to do so. The trait became common in just a few thousand years, and today it’s found in up to 95 percent of the population. By piecing together Neolithic pottery fragments and ancient human genomes, scientists may have solved the riddle of how European lactose tolerance evolved.

In a study published today in Nature, researchers compared archaeological evidence for 9,000 years of European milk use with…

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