Earlier quoted context omitted.
> I can use it to optimize my health and longevity Q: Is it a HN thing to be (obsessively?) interested in health and longevity? Dying is a natural process. Sorry.
It's a human thing. Not all humans, but many. > Dying is a natural process. Sorry. Avoiding dying, as best one can, is also a natural behaviour.
Source?
Natural selection is about passing on our genes which looks like: reproduce, raise your offspring ...