A member asked:

Can you die from to much oxygen?

A doctor has provided 1 answer

Oxygen Toxicity: Normal room air is 21% oxygen. That will not hurt you. Diving with 100% oxygen can cause some respiratory problems. Prematures on extra oxygen can develop serious eye problems. Hyperbaric oxygen, for a long time (maybe 12 hrs or more) can hurt you. Most of these situations will not kill you. Also severe fires are accelerated by excess oxygen, so smoking on oxygen has killed people.

Answered 4/4/2014

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Can someone die in a stuck elevator for lack of oxygen?

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