Mice were much healthier and lived about 25 percent longer when scientists killed off a certain kind of cell that accumulates in the body with age.
What’s more, the mice didn’t seem to suffer any ill effects from losing their so-called senescent cells.
These are cells that have stopped dividing, though not necessarily because the cells themselves are old. “It’s a normal cell that experienced an unusual amount of stress, and it decided to stop dividing,” says Jan van Deursen, who studies senescent cells at the Mayo Clinic College of Medicine in Rochester, Minn.
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Source Credits: Nell Greenfieldboyce in NPR