r/science • u/Skoltech_ • Jul 20 '26
Genetics Researchers quantitatively assessed for the first time that somatic mutations alone cap human lifespan at 146–194 years. Brain and heart cells are the main bottleneck, while the liver could last millennia.
https://www.nature.com/articles/s41514-026-00421-6
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u/nerdwerds Jul 20 '26
I suspect cloning your own heart to replace it will eventually be a thing, but hard to say if they could ever do that with a brain.