increasing your VO2 max by any amount is going to improve your life, not only in terms of how long you live but also how well you live, today and in the future. Improving your VO2 max from the very bottom quartile to the quartile above (i.e., below average) is associated with almost a 50 percent reduction in all-cause mortality, as we saw earlier. I believe that almost anyone is capable of achieving this—and they should, because the alternative is so unacceptable.
