Perchance have you ever had a cold? Maybe did you heal from the virus? Certainly you did! You can not cure a cold itself, however your system typically develops resistance to a certain cold virus within a couple of weeks. We call that being healed by your very own immunity!

Parents have actually in the past had a great deal of the runny nose infections. Parents have acquired resistance to the colds they have had. Therefore there are not lots of runny nose viruses existing for adults to catch. That is why parents only get infected with a few runny noses per year and kids succumb to 10-12 colds annually.
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