Mucus is a thin, slippery fluid that lines the nose, throat, and other passages to trap dust and germs. Phlegm is a thicker type of mucus produced in the lungs to catch and remove harmful particles ...

When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. We all produce mucus, even when healthy. Mucus is a ...

Smoking affects how much mucus a person’s body produces and how thick it is. People can take steps to manage mucus, such as drinking plenty of water, trying controlled coughing, and quitting smoking.

Our noses perform important functions every day of our lives, but we often only notice when disease changes how they work. Our sense of smell works when chemical molecules are sniffed into the nose ...

Phlegm is a form of respiratory mucus produced by the lungs. The airways between the larynx and the respiratory bronchioles are lined by columnar epithelium over which an airway surface liquid (ASL) ...

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, ...

Cystic fibrosis (CF) mucus can clog the lungs and digestive tract. Although there is no cure for CF, medications and therapies can help thin this mucus. Share on Pinterest ArtMarie/Getty Images Cystic ...