If cancer and cardiovascular disease were completely eliminated, what would still cause final system failure according to biological limitations?

Answer

Failures related to neurological function and immune system collapse

Even if major diseases like cancer and heart disease were cured, fundamental biological limitations would still result in failures related to neurological function, immune system collapse, and accumulated cellular junk.

If cancer and cardiovascular disease were completely eliminated, what would still cause final system failure according to biological limitations?
biologyhumanlifespanlimitaging