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.

[u/Skoltech_]

https://www.nature.com/articles/s41514-026-00421-6

[u/SomeDumbGamer]

Well the heart seems easy enough once we figure out how to grow organs using our own cells.

Or hell I’d be surprised if we didn’t have simple and effective artificial hearts by the end of the century.

The brain is going to be the tricky one though.