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Why do we often sneeze​

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Answer:

Sneezing is a mechanism your body uses to clear the nose. When foreign MATTER such as dirt, POLLEN, smoke, or dust enters the nostrils, the nose may become irritated or tickled. When this happens, your body does what it needs to do to clear the nose — it causes a sneeze.

some ppl sneeze often because they have hay FEVER

Hay fever is caused by an allergic RESPONSE to outdoor or indoor allergens, such as pollen, dust mites, or tiny flecks of skin and SALIVA shed by cats, dogs, and other animals with fur or feathers (pet dander)



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