How Farming Reshaped Our Genomes
Before farming began to spread across Europe some 8500 years ago, the continent’s occupants were hunter-gatherers. They were unable to digest starch and milk, according to a new ancient DNA study of a nearly 8000-year-old human skeleton from Spain. But these original occupants did already possess immune defenses against some of the diseases that would later become the scourge of civilization, and they apparently had dark skin.
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