People commit suicide with it because it's supposedly painless and quick.
Same applies to every gas that isn't carbon dioxide. Your body only cares about expelling CO2, it hasn't evolved a way to detect oxygen in the breathing gas mix. Divers know all about this.
alt Hacker News
Same applies to every gas that isn't carbon dioxide. Your body only cares about expelling CO2, it hasn't evolved a way to detect oxygen in the breathing gas mix. Divers know all about this.