Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do we sneeze? – Naomi, 9, San Francisco, ...

Sneezing helps get rid of germs, irritants, and allergens from the nose. Hay fever, respiratory illnesses, and air pollutants may all cause sneezing. Sneezing is a normal function of the body and ...

When someone around us sneezes, we think the person is spreading germs. It's true, sneezed air contains 100,000 or more viruses and bacteria that can reach 93 mph and saturate the nearby 3- to 5-foot ...