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 ...

"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 ...

DEAR DR. ROACH: Colds and flus seem to linger in my lungs and nose for a week or more after all other symptoms have passed. If my phlegm and mucus are clear or white and I otherwise feel healthy, am I ...

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 ...

The lungs cleanse themselves by producing mucus, which traps pollutants and germs. People can clear this mucus by coughing or clearing the throat. Avoiding breathing in cigarette smoke, air pollution, ...

In the later stages of COVID-19, various breathing and positioning exercises, medications, and other home remedies can help clear the mucus or phlegm associated with a productive cough or wet cough. A ...