Conceivably have you heretofore endured a common cold virus? Conceivably did you eliminate the problem? Certainly you did! You cannot heal a cold directly, nevertheless your body typically creates immunity to a certain cold infection within a few days. That is called healed by your own immune response!Grownups have in the past had a great deal of the runny nose viruses. Grownups have created immunity to the ones they have suffered from. Therefore there are not numerous cold infections around for adults to catch. That is why grownups just succumb to a few colds annually whereas children usually get a dozen colds each year.