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Contrary to Opinion, Human Heart Regenerates

By Harry Kimball,  Newser Staff

Posted Apr 2, 2009 3:23 PM CDT

(Newser) – In a result defying popular opinion, the human heart regenerates about half of its cells over the course of a normal lifespan, the New York Times reports. A study used levels of a radioactive isotope in the earth’s atmosphere released by aboveground nuclear tests,...   Read full story »

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