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by reasonattlm 2728 days ago
There are a bunch of other things that can't be fixed by delivering youthful stem cell populations into tissues, such as the presence of garbage molecules in long-lived somatic cell populations. Even youthful tissue can't break down glucosepane cross-links, or remove senescent cells efficiently, etc. Replacing damaged stem cell populations with functional ones is just one slice of the full spectrum of rejuvenation therapies that will be needed. This is all laid out in quite a lot of detail in the SENS outline for how to bring aging under medical control.

https://www.sens.org/research/introduction-to-sens-research