Normally, you hold about half a liter of fluid in your lungs. So when you sneeze, you're able to spray as much as a water bottle's worth of mucus into the air around you. It shoots out of your ...

A simple sneeze can travel up to 100 miles an hour and spray a cloud of 100,000 germs. Sounds gross, but sneezing is actually a protective reflex that's designed to keep you healthy. It begins ...

Medically reviewed by John Carew, MD Fact checked by Jillian Dara Nasal sprays can treat congestion and other symptoms of seasonal allergies or a cold. They work by delivering a fine mist of ...