Conceivably have you hitherto suffered through a common cold? Maybe did you eliminate the infection? Of course you survived it! You can't treat a common cold itself, but your immune system generally creates resistance to any cold infection within a couple of weeks. We call that being cured by your personal immunity!Adults have currently had a great deal of the cold viruses. Grownups have created immunity to the viruses they have actually suffered from. Therefore there are not quite as many runny nose infections around for grownups to acquire. That is why parents just succumb to a couple of runny noses annually and children acquire 10-12 colds annually.