Aging Stem Cells Linked To Leukemia In Elderly

Aging stem cells may be behind an increased risk of infection and leukemia in older people, according to a Stanford University School of Medicine study. The report appears in this week's issue of the Proceedings of the National Academy of Sciences. The Stanford team found that in older mice, bone marrow stem cells that create new blood cells produce fewer immune cells. That means the bodies of older mice are less able to fight infection.

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