This is a scientific fact by the way. If we were to discover how to extend our lives indefinitely by repairing our telomeres, our brain cells would still die off with age, and be replaced with new brain cells. Over roughly two or three centuries, our brain will have been replaced with an entirely new brain, and we would have a completely different identity than the one we started out with, thus voiding the entire point of immortality in the first place.
Because memory does not work that way. Information is not stored in individual neurons, but rather in the structure of the neurons. Neurons may die and be replaced, but unless an entire structure is destroyed at once, i.e., critical brain damage occurs, there's not going to be loss of long-term memory.
Cut this:
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Because memory does not work that way. Information is not stored in individual neurons, but rather in the structure of the neurons. Neurons may die and be replaced, but unless an entire structure is destroyed at once, i.e., critical brain damage occurs, there's not going to be loss of long-term memory.