VO2max and longevity: what the data actually shows

Cardiorespiratory fitness is one of the strongest mortality predictors we can measure. VO2max is not just an athlete metric; it is a durable risk marker that can improve with structured aerobic training. Here is what ranges mean and how to improve them.[5]

VO2max is a high-value longevity marker, not just a sports metric.

Trend direction matters more than single snapshots.

Zone 2 consistency plus interval structure is the most reliable improvement strategy.