I’m particular our bodies are good at selecting the cells and organelles that are most damaged and decrepit to be broken down for material and fuel for the rest of the body. Makes sense they’d evolve to do that.

When you refeeding after a long fast, growth hormones are released that trigger replacement. So there’s seem to be some rejuvenation and other benefits.

It’s difficult to measure key parts of the process on a still living subject so we have to guess and extrapolate for humans. And other aspects aren’t well explained or understood. So there’s a lot of questionably reliable info and explanations, some of which are plausible. Like this!

Figuratively, Street kids do tend to be.

Also “the fucking old people caused this mess and are standing in the way of fixing it. We need them to die off so we can turn it around”

There has never been a young generation not saying this. Many of them have been correct too, but few have turned anything around when it’s their turn.