If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust.

It’s that time of year again, when everyone’s fighting a cold and blowing their nose. Maybe you’ve found yourself having sinus struggles, or you’ve noticed your boogers don’t look “normal.” Whatever ...

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of ...

Feeling stuffy? Blowing your nose could make you feel worse. That's because you're building up the pressure in your nostrils. This pressure can cause mucus to shoot up into your sinuses ...

Research published in the Clinical Infectious Diseases journal shows that improper nose blowing can push mucus back into your sinuses, increasing the risk of infections, nosebleeds, and even ear pain.