WHAT determines how long we live? It may all depend on how tough our stem cells are.
A team at the University of Kentucky has found that the mouse strains that live the longest have stem cells in their bone marrow that are particularly good at repairing DNA. “That’s a novel concept, and I should add that it’s very controversial,” says team member Gary Van Zant.
The stem cells found in bone marrow and elsewhere are the source of new cells for many tissues in the body, from the liver to the immune system. The finding supports the theory that…
