Allergy season… Why does one nostril is blocked mainly at a time and not both? Also what’s the best way to clear a stuffy nostril?
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Because it’s not just snot blocking your nose. The passages also narrow to stop whatever irritant or disease getting in. But your body isn’t stupid, so it keeps one of them open to breathe through. That’s why if you sleep on your side with a cold, it’s usually the side you’re sleeping on that’s blocked and the top side that’s open.
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