I swear I saw a paper on here a couple months back about some weird negative cor... | Hacker News

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		komali2 on March 7, 2017 \| parent \| context \| favorite \| on: Tech Interview Torture Chamber I swear I saw a paper on here a couple months back about some weird negative correlation between intelligence and tendency to breath through the mouth rather than nostrils. Like, somebody had managed to provide evidence that mouth-breathers are stupid.

stagbeetle on March 7, 2017 [–]

Air is processed differently (see: less "goodly") when taken in by mouth.

It's not too much of a stretch this could affect cognition the same way pollution does.

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