Peter Attia· MD
if a person has a V2 Max of 50 milliliters per kilogram per minute and they're 50 years old you know everything you need to know about them that person wasn't born with a high VO2 max that V2 Max isn't dependent on their socioeconomic status it's not dependent on their education it's dependent on one thing and one thing only and that is how hard they exercise that's a person who does quite a bit of aerobic training and at least some of it is at a high level of intensity