Longevity star Dr. Peter Attia tells his patients to eat one gram of protein for every pound they weigh, every day – that’s more than double what the current nutritional guidelines recommend. The doctor and a handful of his patients have also used a drug called rapamycin, usually prescribed to transplant recipients, that has extended lifespan in mice. He stopped for now, because it gave him mouth sores, which can be a side effect. | 60 Minutes