This is where his patients go through two days of physical evaluation and where we found after just a few hours how intense the 52year-old doctor and his methods are. >> Just show me what you got. Just show me what you got.>> I think this is the neglected part of medical testing is how fit are you. How strong are you. >> All right.>> How well do you move. >> And up overhead. >> And in many ways, these tests are even more predictive of how long you're going to live than what I might get out of your blood wor ...

60 Minutes overtime. >> How much weight are you carrying. >> I am carrying 40 lbs.>> Okay. And how much am I carrying. >> You're carrying 20.>> This week on 60 Minutes, we profile Dr. . Peter Ailla. He is kind of the leading pioneer in the field of longevity medicine that is popular with the masses.People are following him on social media. People love his podcasts because they get these details about how to live longer and live better. >> When you hear the word longevity in terms of a medical context, what ...