Healthy Old Age

  • By Rima Chaddha
  • Posted 01.01.07
  • NOVA scienceNOW

By watching yeast age and manipulating a gene called SIR2, Harvard's David Sinclair and other researchers are gaining insights into the biology of aging. In this step-through, get a sense of how SIR2 impacts DNA repair and boosts longevity in yeast, and learn how new drugs might try to replicate the effect in humans.

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Learn how a gene called SIR2 can affect aging and longevity, at least in yeast.



(all except David Sinclair)
© NOVA/WGBH Educational Foundation
(David Sinclair)
Courtesy David Sinclair

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