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Boosting Life Span By Clearing Out Cellular Clutter
National Public Radio

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.

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