Yes, there are many problems at cellular level, e.g. telomerases[1]. I wonder how it would work out if you get an old man's head in a young man's body. I don't

Yes, there are many problems at cellular level, e.g. telomerases[1]. I wonder how it would work out if you get an old man's head in a young man's body. I don't think it's going to work. On the other hand, you never know... [1] http://www.sciencedirect.com/science/article/pii/0022283692900963 http://www.sciencedirect.com/science/article/pii/00222836929...