Sorry to correct you again (I'm a biologist...I can't help it!), but cell death is actually a very good thing. Your cells are programmed to die so they don't turn into cancer, or start degenerating into something equally unpleasant.
Aging occurs because your body becomes less capable of replacing these cells over time, and either replaces with less robust cells or stops entirely. Or you get cancer.
Hey, I always welcome constructive corrections. Btw, I actually attended International Biology Olympiads twice, but it was too long ago for me to remember the details.(Ever since I was too remote from biology)
Aging occurs because your body becomes less capable of replacing these cells over time, and either replaces with less robust cells or stops entirely. Or you get cancer.