this post was submitted on 26 Aug 2023
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Folks who are confused by this, your body doesn't detect when you're low on oxygen, only when you have too much carbon dioxide. That's why exhaling while holding your breath helps you hold your breath longer (to an extent). Nitrogen doesn't caused the sensation of suffocating while still depriving you of oxygen.
I disagree with capital punishment but have always wondered about this for stuff like assisted suicide.
That's the thing, we all have to compromise. I don't support it either, but if something unethical happens, and people still want to keep supporting it, we have to at least convince them to use the "best version" of said thing so it's at least as humane as we can make it possibly be. I'm shocked we still continue to use these complicated and ancient methods of execution that have questionable reliability or ethics when it comes to suffering.
It'd be interesting to see how it would be used for AS for sure!
Over this summer I've been trying to break my record for holding breath underwater. 2:13 was best I could muster but in my experimentation, after slow and steady initial breathing and reduced muscle usage, inhaling one giant breath at the end and holding definitely let's me stay under longer. This is better until the CO2 saturation of my lungs equals the saturation in the blood. Then, for whatever reason, slowly trickling the air out buys a little more time. This probably helps calm and fool the brain into thinking you're desaturating.
Unless you have COPD. That's why's it's dangerous to give high flow O2 to people with COPD.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5461124/