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Aging and Genetics

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Aging and Genetics

Aging and Genetics

Aging and Genetics

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  • <iframe src="https://www.npr.org/player/embed/1128057/128057" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Scientists believe they are closing in on a small number of genes that determine whether a person is likely to live a long life. The finding goes against a long-held assumption that many genes are involved in longevity. NPR's Joanne Silberner reports on how a study of long-lived families changed that view.