Bryan Johnson· Author
To track my SmO2, I am using a wearable MOXY sensor, which is used by professional athletes and validated in peer-reviewed clinical exercise research (3,4).
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
To track my SmO2, I am using a wearable MOXY sensor, which is used by professional athletes and validated in peer-reviewed clinical exercise research (3,4).
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