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 ...

To get immediate relief for a runny nose, Dr. Ren suggests first blowing your nose gently to clear excess mucus. Then apply a warm compress to the outside of your nose to help loosen mucus.

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.

Myth or fact? Snot can be good for you. Producing mucus will help clear your sinuses, help clear your nasal passages. Laura Martin, MD, MPH And the snot and the mucus, they help keep our mucous ...