Let's talk about protein. >> Dr. . Aia wants his patients to eat a lot of protein, more than double what the current nutritional guidelines recommend.The doctor and a handful of his patients have also taken a drug called Rapamy that's FDA approved for use by transplant recipients. The drug has extended the lifespan of mice, but Dr. . Tia stopped taking it for now because it gave him mouth sores which can be a side. ...