A member asked:

Can you tell me how good is breath one hour of pure oxygen per day ?

A doctor has provided 1 answer
Dr. Michael Gabor answered

Specializes in Diagnostic Radiology

Pure Oxygen: Nature optimized us to breathe air that is about 20% oxygen. !00% oxygen for long periods would eventually have a toxic effect. !00% oxygen for 1 hour is not dangerous, but probably has no health benefits under normal circumstances.

Answered 6/4/2017

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