Design a periodized VO2 max training protocol that elevates cardiorespiratory fitness, a top predictor of all-cause mortality, using Norwegian 4x4 intervals, Zone 2 base, and individualized progression for sustainable healthspan gains.
## CONTEXT VO2 max, the maximum volume of oxygen the body can utilize during intense exercise, has emerged as one of the strongest independent predictors of all-cause mortality in the longevity research literature. A 2018 JAMA Network Open study following 122,000 patients showed that elite-level cardiorespiratory…
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