If they can learn more about how the human body ages,why some people live longer than others then perhaps they could apply these different facts in order to eventually discover our lifespan.
I think it is CT which is what they use to look at your brain
It keeps you from working out at too low of an intensity, It helps you adjust your workout, It shows when you are performing cardiovascular exercise, and i<span>t keeps you from working out too hard.</span>