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, sludgy substance—made up of mostly water, salt, and antibodies—is designed ...

Medically reviewed by Sanja Jelic, MD 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 ...

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 ...

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.

Mucus is a perfectly normal fluid that helps to keep our bodies running smoothly, but not all forms of the slimy substance are created equal. People with chronic respiratory diseases tend to produce ...

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 ...

BUFFALO, N.Y. — A University at Buffalo-led research team has developed molecules that could help unclog thick, sticky mucus from the lungs of people suffering from cystic fibrosis. The chronic ...