Reversing aging may sound like science fiction, but scientists have already found a way to do it—at least, theoretically. Based on a 2012 Nobel-prize winning discovery, researchers are testing whether they can revert diseased cells in the eye back to young and healthy ones. They gave people a drug this year. If it works, it’ll open the door to curing and possibly preventing other age-related diseases. And that led producer Berly McCoy to wonder: Could all this research eventually extend our human lifespans?
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