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 <a href="https://www.npr.org/people/985775371/berly-mccoy"target="_blank" >Berly McCoy</a> to wonder: Could all this research eventually extend our human lifespans?  If you like this episode, check out our episodes on <a href="http://lnk.to/zuBuCU"target="_blank" >zombie cells</a>, <a href="http://lnk.to/0ps3t8"target="_blank" >why our hair turns gray</a> and <a href="http://lnk.to/oosyhs"target="_blank" >why we die</a>. Interested in more science on aging? Email us your question at <a href="mailto:shortwave@npr.org"target="_blank" >shortwave@npr.org</a>. Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at <a href="http://plus.npr.org"target="_blank" >plus.npr.org</a>. See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

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