If you’ve ever fought a cold or infection in the past, chances are you’ve had the not-so-pleasant experience of coughing up green phlegm. Along with a runny nose and sore throat, green phlegm is ...

In TODAY.com's Expert Tip of the Day, a doctor reveals the important clues about your health that can be found in your snot.

Although mucus and phlegm are related terms, they don't mean exactly the same thing. Karl Tapales via Getty Images Most people are all too familiar with the icky, uncomfortable feeling of having mucus ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it ...

Struggling through a nasty round of bronchitis with little better to do than binge watch Netflix and feel epically sorry for myself, I pondered the ageless cold-and-flu-season question: Phlegm. Why?

Curious about your snot? Plenty of people take a peek at what winds up in their tissue after a good nose blow, but doctors say this curiosity can actually give you clues about your health. "Increased ...

The color of your snot can tell you about your health. Clear is normal, yellow or green may show infection, white can mean ...

Coughing up white mucus can mean you have congestion with a respiratory infection such as bronchitis, or it can be a symptom of long-term health issues like chronic obstructive pulmonary disease (COPD ...

This article was originally featured on The Conversation. Omer Gokcumen is an associate professor of Biological Sciences, University at Buffalo. Slime is everywhere. It shapes the consistency of your ...