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A Putative Antiaging Drug Takes a Step From Mice to Men

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Science  15 Nov 2013:
Vol. 342, Issue 6160, pp. 789
DOI: 10.1126/science.342.6160.789

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The drug rapamycin lengthens lifespan in mice, but a paper published earlier this year questioned whether it slows aging in the animals. This week a new study comes to rapamycin's defense. Meanwhile, researchers have begun a clinical trial to test whether the drug can improve the mental acuity and physical condition of elderly humans.