Drinking warm fluids like tea can help loosen thickened mucus in the lungs. Inhaling moist air using a humidifier or steam can make it easier to cough up and remove lung mucus. Controlled coughing ...

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 ...