By chance have you hitherto suffered through a cold virus? Perhaps did you get rid of it? Naturally you did! You cannot heal a common cold itself, however your system usually develops resistance to any type of cold infection within a few days. We call that cured by your own immune system!Grownups have actually currently had a lot of the cold viruses. Grownups have acquired immunity to the ones they have actually suffered from. Therefore there are not so many cold infections around for parents to acquire. That is why parents just get a couple of colds each year whereas kids usually get 10-12 colds annually.