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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Having a congested chest can be uncomfortable to say the least. And when you’re feeling under the weather ...

Phlegm buildup in the lungs and throat is a common problem, especially during colds, allergies, pollution exposure, or respiratory infections. Phlegm is a thick mucus produced by the respiratory ...

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.

Various home remedies can help manage phlegm and mucus, such as drinking plenty of fluids and using a saline nasal spray or rinse. If home remedies do not help, over-the-counter and prescription ...

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 ...