Likely have you a while ago endured a cold virus? Peradventure did you get rid of it? Obviously you survived it! You cannot treat a cold directly, nevertheless your system usually creates immunity to a specific cold infection within a few days. We call that treated by your personal immune system!

Adults have already had a lot of the cold viruses. Parents have created immunity to the ones they have had. So there are not quite as many cold viruses around for adults to become infected with. That is why parents only get a couple of runny noses annually whereas youngsters usually get 10-12 runny noses annually.
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