By any chance have you ever before been down with a cold? By any chance did you recover from the issue? Obviously you got over it! You cannot heal a cold itself, yet your immune system typically develops resistance to any cold virus within a couple of weeks. That is called being cured by your very own immune response!Grownups have already had a great deal of the runny nose viruses. Parents have actually developed immunity to the ones they have actually suffered from. Therefore there are not lots of runny nose infections around for grownups to become infected with. That is why parents only succumb to a couple of colds annually and children usually get 10-12 colds annually.