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Why pollen makes you sneeze

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Why pollen makes you sneeze

Science Insider

5 Views • May 19, 2020

Description

When it comes time to mate, trees, weeds, and grasses release thousands of pollen grains into the air — which can end up invading your nose, eyes, and lungs. If you're allergic, your immune system mistakes these harmless grains for a serious threat and releases histamine. That irritates your nose, causing you to sneeze the grains out, and produce mucus in an effort to expel them.

Keywords & Tags

#Video #Health #Science #Climate Change #Pollen #Human Body #Allergies #sai #bi-video #david anderson

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