[greglepore]

I'm exactly your age and have thought about it and t therapy. Problem is that the bad stuff that grows as we age (mutated cells, carcinomas yada) will likely benefit more from these drugs than you might.
Aerobic exercise mixed with some strength work. I know its hard if you're still working, but do it.
Add add'l protein to your diet-lean protein. You can eat the fatty bbq and stuff if you're working like a furnace, but not otherwise.