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Infect

what causes the common cold
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What Causes the Common Cold?

What Causes the Common Cold? Common colds are caused by tiny organisms called viruses, which infect the mucous membranes of the nose and thr

why do you sneeze
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Why Do You Sneeze?

Usually you sneeze to get rid of an irritation in the air passage of your nose. Various things can cause a sneeze. You may have dust up your