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 ...

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 ...