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image: Are Cancer Stem Cells Ready for Prime Time?

Are Cancer Stem Cells Ready for Prime Time?

By | April 1, 2012

A flood of new discoveries has refined our definition of cancer stem cells. Now it’s up to human clinical trials to test if they can make a difference in patients.

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image: A Mammalian Longevity Gene?

A Mammalian Longevity Gene?

By | February 23, 2012

Researchers find the first evidence that a sirtuin gene prolongs life in mice.

4 Comments

image: Anti-aging Pathway Questioned

Anti-aging Pathway Questioned

By | September 21, 2011

A new study raises further doubts about the ability of proteins called sirtuins to slow aging, but the controversy remains unsettled.

30 Comments

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