Do Children Cause Adults to Get More Colds?

No kidding! This CDC photograph captured a sneeze in progress, revealing the plume of salivary droplets as they are expelled in a large cone-shaped array from this man's open mouth. The flu virus can spread in this manner and survive long enough on a doorknob or countertop to infect another person. It dramatically illustrating the reason you should cover your mouth when sneezing or coughing to protect others from germ exposure, health officials say. It’s also why you need to wash your hands a lot, on the assumptions others don’t always cover their sneezes.
(Image credit: CDC/James Gathany)

This Week's Question: Do grandparents get more colds than seniors without grandchildren?

I was unable to find any specific data on grandparents and colds. However, the National Institute of Allergy and Infectious Diseases reports that, in families with children in school, the number of colds per child can be as high as 12 a year. NIAID also reports that all people older than 60 average fewer than one cold a year.

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Fred Cicetti is a contributing writer for Live Science who specializes in health. He has been writing professionally since 1963. Before he began freelancing, he was a reporter, rewriteman and columnist for three daily newspapers in New Jersey: The Newark News, Newark Star-Ledger and Morristown Record. He has written two published novels:" Saltwater Taffy—A Summer at the Jersey Shore," and "Local Angles—Big News in Small Towns."