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A comment on Child suicides in Japan hit record high. Parent comment

Re:Child suicides in Japan hit record high by LinuxBender on Thursday October 14, 2021 @12:33PM (#28866489)
Less painful in my opinion would be a helium tank from a childrens party store and a gas mask from a hardware store. Syncope -> Mortality. Probably closer to Kevorkian's assisted method but more involved.
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Re:Child suicides in Japan hit record high by officeplant on Thursday October 14, 2021 @02:08PM (#28867798)
One of my friends borrowed nitrogen and a mask from work to pull it off. It's the most ideal way to go out from what I understand.

On the shittiest days I see the lines of nitrogen tanks we use at work for Gas Detector calibration and remember my old buddy.

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Re:Child suicides in Japan hit record high by WalterSear on Thursday October 14, 2021 @01:23PM (#28867204)
They no longer put pure helium in those tanks for this reason.
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Re:Child suicides in Japan hit record high by LinuxBender on Thursday October 14, 2021 @01:59PM (#28867686)
Ah yes, it appears that has fallen in favor of nitrogen. [1] I never would have imagined nitrogen would do the same thing. Apparently there are a variety of inert gasses that have the same effect. [2]

[1] - https://pubmed.ncbi.nlm.nih.gov/29684846/

[2] - https://en.wikipedia.org/wiki/Inert_gas_asphyxiation#Suicide

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Re:Child suicides in Japan hit record high by wahern on Thursday October 14, 2021 @05:15PM (#28870229)
The autonomic system responds not to lack of oxygen, but to a rise in carbon dioxide levels. (More specifically I think it has something to do with pH, which decreases as carbon dioxide increases.) So as long as you can expire carbon dioxide, you'll pass out without any sensation of asphyxiation or struggle. You still need to inhale to exhale, though, and the inhaled air needs to have a sufficiently low partial pressure of carbon dioxide.
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