Possibly have you ever before been down with a runny nose? Perchance did you eliminate the problem? Naturally you recovered! You will not cure a cold itself, but your immune system usually establishes immunity to any cold virus within several weeks. That is called being healed by your personal immune system!Grownups have already had a great deal of the cold viruses. Adults have created resistance to the colds they have actually suffered from. So there are not quite as many runny nose infections remaining for grownups to become infected with. That is why grownups just get a couple of runny noses annually and youngsters get 10-12 runny noses each year.