Comment by purplepistachio on 05/11/2014 at 23:15 UTC

-11 upvotes, 1 direct replies (showing 1)

View submission: Bill Nye, UNDENIABLY back. AMA.

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Implying fainting has to do with oxygen rather than low blood pressure.

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Comment by thegrassygnome at 05/11/2014 at 23:45 UTC

30 upvotes, 2 direct replies

The medical term for fainting is syncope. Fainting is a sudden loss of consciousness, usually temporary and typically caused by a lack of **oxygen** in the brain. The brain **oxygen** deprivation has many possible causes, including hypotension (low blood pressure).