Add Yahoo as a preferred source to see more of our stories on Google. Even if it is kind of gross when you're full of it and wrestling with it, phlegm actually serves a useful purpose: The thick, ...

Healthy phlegm is usually clear and runny, but many different health conditions can change the consistency or color. Phlegm, also called sputum, is mucus produced by your lungs that helps protect your ...

To clear chest congestion fast, try drinking hot herbal tea, inhaling steam with eucalyptus oil, or gargling saltwater. Coughing is your body’s natural way of clearing mucus, but walking, using a warm ...

Mucus is your body’s natural defence, but too much of it can make breathing feel like you’re inhaling through a wet sponge. Your lungs produce mucus every day to trap dust, germs, and irritants.

A study analyzes the physical properties of airway mucus that can contribute to the failure of coughing to clear mucus in respiratory disease, and suggests that mucus hyperconcentration associated ...