…is particularly important in stem cells:
Stem cells are needed to create replacements for damaged cells that die off or cease to do their jobs. Damaged stem cells are unable to perform their function. So less repair gets done as our stem cells accumulate damage and become dysfunctional with age. Biotechnology that would enable us to replace our old stem cells with younger ones would go far to slow and partially reverse aging.
Faster, please.
I read Nick Lane’s “Power, Sex, and Suicide, the Story of Mitochondria”, which convinced me that the aging process is exclusively mitochondrial-based.