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 ...

Mucus is a normal part of the lungs. But smoking and other issues can cause too much mucus to collect there. (Photo Credit: iStock/Getty Images) Your body makes about a liter (approximately 1 quart) ...

Managing mucus from COPD involves strategies that can help loosen mucus and clear it from your airway, such as staying hydrated, exercising, and quitting smoking. Specific breathing techniques, ...

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 ...