Which Races Can't Drink Milk? Understanding Lactose Intolerance
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5 min read
It's a common misconception that all humans can digest milk without issue, but approximately 65% of the world's adult population has a reduced ability to digest lactose, the sugar in milk. While the ability to digest milk varies widely across individuals, a person's ancestry and genetic makeup play a significant role in determining who can't drink milk, or at least not without discomfort.