We'll have to come up with something before he starts denying it himself. It doesn't even have to be too complicated either. Science in the Foundation has gone much farther than what is known--it's a secret organization, after all. There's also some people here that are from the future, so that can help too.

[ he shrugs. ]

I can give the explanation if you'd like, since he trusts me. I'll say that I healed him with cutting-edge medication that was created for the purpose of accelerating the body's healing speed.