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February 8, 2010

Scientists have found a way to make old stem cells in the blood act like young stem cells, a discovery that could lead to ways to slow the aging process. Taking certain factors from the blood of young mice and putting them in old mice made old stem cells take on the characteristics of younger stem cells. In addition, the tissues of the older mice appeared much more "youthful," according to the Harvard Stem Cell Institute researchers at the Joslin Diabetes Center.