An off-label use for a prescription drug may hold the key to anti-aging. Rapamycin is used by transplant patients to keep organs from being rejected. Now, researchers are excited about the potential use to stop the aging clock. Dr. Matt Kaeberlein is not only researching the drug, he's taking it. Robert Berger also takes Rapamycin and says he has more energy and hopes it will extend his life. Inside Edition's Ann Mercogliano has more.

https://www.insideedition.com/media/videos/could-rapamycin-be-the-secret-for-anti-aging-89178