In the wiki they say they sometimes used pure oxygen? I’m no neurosurgeon or even knowledgeable on this topic, but how does the oxygen not damage the brain, if the dangerous procedure didn’t already? Like sure for just a little while oxygen isn’t all that bad, but pure oxygen will mess you up over time.

Or how would the brain not suffer the effects of the pressure difference when using helium?

If they needed something inert, why not just nitrogen?

It helps most in the sense that it’s not at all as unhealthy. Anything you hear to the contrary is simply scaremongering and terrible advice. Almost half of smokers die from smoking related illness where I live. The negative health effects and oxidative damage from pyrolysis and from vapourizing a liquid are simply not comparable.

Xmanager + spicetify is the way