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Biology of Aging

Scientists say they've discovered a gene that extends the lifespan of yeast. Others have found genes that double the lifespan of worms. But what can this tell us about people? Join host Ira Flatow and guests for a discussion about genes and cells that regulate aging.

Guests:

David Sinclair
* Assistant professor of pathology, Harvard Medical School, Boston, Mass.

Cynthia Kenyon
* Herbert Boyer Professor of Biochemistry and Biophysics, University of California San Francisco
* Director, Hillblom Center for the Biology of Aging, University of California San Francisco

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