We're all used to hearing that the later in life you have kids, the more chance of complications there are. Research has shown that older mothers have children with a higher risk of Down Syndrome. And there's been some research suggesting that older fathers place their kids at higher risk of mental illness. But could there be a benefit to becoming a father later in life? Maybe so. New research in PNAS hints that older fathers have children who live longer — and it all comes down to telomeres.
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