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Aging![]() Will research into "longevity genes" help us live longer and healthier lives? ![]() Healthy Old AgeFind out what all the hoopla is about SIR2 and how it can slow down aging, at least in yeast. ![]() Ask the ExpertMolecular biologist Leonard Guarente answers viewer questions about aging and how science could help increase longevity.
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© | Created January 2007 |