Bryan Johnson· Author
Research on embryonic stem cells (ESCs) also shows that ESC secretions mediate the systemic regenerative effects of these cells, including muscle stem cell rejuvenation and muscle regeneration.
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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.
Research on embryonic stem cells (ESCs) also shows that ESC secretions mediate the systemic regenerative effects of these cells, including muscle stem cell rejuvenation and muscle regeneration.
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