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By any chance have you ever before been down with a runny nose? Conceivably did you do away with the cold? Certainly you got over it! You can't treat an acute rhinitis directly, yet your immune system normally creates immunity to a certain cold infection within several days. That is called being cured by your very own immunity!

Adults have already had a great deal of the runny nose infections. Parents have acquired resistance to the colds they have suffered from. So there are not quite as many runny nose viruses around for adults to become infected with. That is why adults just succumb to a couple of runny noses per year whereas youngsters usually get 10-12 colds annually.
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