Longevity is often framed as a modern puzzle. Better medicine, cleaner water, fewer childhood infections. All true, and still incomplete. In Italy, where centenarians cluster in numbers that puzzle demographers, a different explanation has been quietly resurfacing. It reaches back not centuries, but tens of thousands of years, to the people who survived Europe’s coldest landscapes with little more than stone tools, fire, and social bonds.
A new genetic analysis1 suggests that fragments of that deep past still matter. Italians who live beyond 100 years, the study finds, carry slightly more ancestry from Western Hunter-Gatherers than their peers. The difference is subtle, but its implications are anything but.
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