VO₂ Max
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Why VO₂ Max Might Be the Most Important Number for Your Health (And How to Improve It)

Published On: April 18, 2025Categories: Health & Fitness

A few years ago, only exercise scientists and endurance athletes talked about “VO₂ max.” (It’s pronounced “vee-oh-two-max,” in case you’re wondering.)

But now, it’s a red-hot topic in longevity circles. That’s because it’s one of the strongest predictors of how long you’ll live and how well you’ll age.

In fact, having a low VO₂ max is linked to a greater risk of early death than smoking, diabetes, or heart disease.¹ (Yes, smoking, diabetes, and heart disease!)

So what, exactly, is VO₂ max and how do you improve it? I’ll show you how, no matter what your age or fitness level is now.

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