"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 ...

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 ...

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.

Breathing difficulties and persistent mucus buildup can significantly impact daily life, making simple activities feel exhausting and uncomfortable. When airways become congested with thick secretions ...

It can be hard to decipher when you or your children are suffering from allergies or something more serious. When should you go to the doctor? When should you take medicine, and what should you take?

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 ...

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 ...