Bryan Johnson· Author
In each cylinder, the oxygen at 2100 psi weighs 45 lbs and has 3.91 × 10²⁶ oxygen molecules.
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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.
In each cylinder, the oxygen at 2100 psi weighs 45 lbs and has 3.91 × 10²⁶ oxygen molecules.
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