Comment by shadowyams on 28/11/2022 at 19:36 UTC

125 upvotes, 2 direct replies (showing 2)

View submission: Living things have copied their DNA for billions of years, so why do chromosomes age and erode due to copying?

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Telomere shortening is only implicated in some types of cellular aging. Neurons and skeletal muscle cells, for example, are post-mitotic, meaning they don't really divide and thus don't experience telomere shortening.

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Comment by bodygreatfitness at 29/11/2022 at 04:10 UTC

28 upvotes, 1 direct replies

I could see fully composite skeletons with some wild future tech, but those neurons, those sure sound hard to fix

Comment by AdiSoldier245 at 29/11/2022 at 08:59 UTC

5 upvotes, 1 direct replies

Do neurons age?