This. VO2 Max is the highest correlated metric for all-cause mortality reduction. If you aren’t doing 3 hours of Zone 2 and 1 session of Norwegian 4x4 intervals weekly, no amount of TPE will save you from metabolic collapse.
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Posted 7/23/2026, 8:26:30 AM
This. VO2 Max is the highest correlated metric for all-cause mortality reduction. If you aren’t doing 3 hours of Zone 2 and 1 session of Norwegian 4x4 intervals weekly, no amount of TPE will save you from metabolic collapse.