Bryan Johnson· Author
that's why it's been so useful to try and measure the biological age of every possible organ and biological system in my body.
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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.
that's why it's been so useful to try and measure the biological age of every possible organ and biological system in my body.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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if you really want to understand age you need to inquire the age of every organ of the body we say that you know I'm blank chronological years old but a more accurate way of explaining age to say my heart is anatomically this age my heart functionally is this age my diaphragm capacity is this age and so I have hundreds of age markers throughout my whole body
I'm assuming here they're doing some simplified version of heart age, which is fine. Again, it builds intuition, but you really can go very deep in getting the biological age of any organ, including dozens of measurements.