"It's a vector for transmitting infections, colds and spread of other particles," said Everett Clinic allergist Dr. Brett Buchmiller.
For the sneezer, sneezing is a good thing.
"Your sneeze is mostly a protective reflex," Buchmiller said. "It clears secretions and any debris that might be in there."
A sneeze is a sternutation, a convulsive expulsion of air from the lungs through the nose and mouth when nerve endings get irritated.
Dr. Buchmiller, board certified in Allergy and Immunology, Internal Medicine and Pediatrics sees patients at Smokey Point Medical Center.