Improving VO2 max and cardiorespiratory fitness is strongly associated with increased life expectancy and should be prioritized.

“Cardiorespiratory fitness has really become a very very important biomarker of our healthspan and lifespan.”

Cardiorespiratory fitness is the most significant modifiable predictor of longevity and outperforms other health metrics such as blood pressure, cholesterol, and BMI.

“if you look at all the predictors of all-cause mortality, which remember that's the holy grail metric of longevity cardiorespiratory fitness outperforms every other variable we can measure.”