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by EA-3167
1090 days ago
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Buy a $20 SpO2 monitor, and realize that your blood is already saturated with O2. You'll find that you're generally between 97%-99% to begin with, so what is adding oxygen going to do? The amount of oxygen that reaches your tissues is a function of the carrying capacity of your erythrocytes, and unless you're very sick or in an extreme environment, that isn't driven by ambient O2 levels. |
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