How Y chromosomes, age and heart risks are linked - Deccan Herald

It’s been known for more than a half-century that many men lose their Y chromosomes as they age. But no one knew if it really mattered. The loss of Y could just be a sign of aging, like gray hair, with no clinical relevance.

Its been known for more than a half-century that many men lose their Y chromosomes as they age. But no one knew if it really mattered. The loss of Y could just be a sign of aging, like gray hair, wit… [+6891 chars]

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