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For questions about the colourless, odourless gas that is associated with life on Earth.

16 votes

What would be the effects on the human body if the oxygen level increased by a lot?

Patients with hypoxia are often supplied with oxygen. The "standard" amount is 2 liters per minute, which effectively means doubling the normal amount of oxygen. … Doubling, tripling, or quadrupling the amount of oxygen (without elevated pressure so oxygen goes into watery solution) thus cannot have any measurable positive effect, since saturation cannot possibly …
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