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How old is your bone marrow? - EurekAlert
“If you take a room full of 50-year-olds, some will be completely gray-haired, others will be salt-and-pepper, and a few will not have any gray hairs at all,” said Jennifer Trowbridge, Dattels Family Endowed Chair and professor at the Jackson Laboratory. “Logically, you’d expect to see the same kind of variation in the function of hematopoietic stem cells—but until now, nobody has studied that directly.”
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