Yellow snot is gross, but does it mean you have an infection? Here's everything you need to know about it. Snot, mucus, phlegm ... whatever you call it, it's kind of a mess. There's enough dread ...

Medically reviewed by Susan Russell, MD Key Takeaways Coughing up white mucus can be a sign of an upper respiratory infection ...

Mucus isn't exactly something people give much thought to — until they're sick and dealing with a constantly runny nose. But mucus is actually an important part of a healthy immune system, according ...

Before tossing your next used tissue, you might want to check out the snot color inside. As gross as it sounds, your mucus—be it clear, green, yellow, or brown—is a reflection of your overall health.

I’m guessing you haven’t spent much time thinking about mucus recently. Sure, some of you with allergies or colds probably have, but not in a sort of optimistic way. Well, good news, there are ...

Kristin Ahrens is a member of the National Association of Pediatric Nurse Practitioners (NAPNAP) and the National Association of School Nurses (NASN). Not many things are as uncomfortable and annoying ...

Mucus consists mainly of water and a gel-forming molecule called mucin. The body uses mucus to protect tissues, remove particles, and prevent infections. Mucus is essential for the functioning of many ...