The buildup of excess mucus in your nasal passages and throat is a common and uncomfortable symptom of many illnesses. JDawnInk via Getty Images Being sick with a cold or other congestion-causing ...

Huff coughing, or huffing, is a breathing technique that helps move mucus out of the lungs. It can clear the lungs and help prevent infection in people with conditions such as chronic obstructive ...

Phlegm buildup in the lungs and throat is a common problem, especially during colds, allergies, pollution exposure, or respiratory infections. Phlegm is a thick mucus produced by the respiratory ...