Clear, bubbly phlegm may not be a problem, but in some cases, it may be a sign of an underlying health issue. Phlegm, or sputum, is a type of mucus the respiratory tract produces. The color of phlegm ...

Breathing is something we typically take for granted, until it’s a struggle to do so. When your lungs are clogged with thick, sticky mucus, each breath can be a chore. Whether it’s a seasonal cold, ...

Having a congested chest can be uncomfortable to say the least. And when you’re feeling under the weather, you want to know how to feel better fast. Luckily, there are several doctor-recommended ...

Having a congested chest can be uncomfortable to say the least. And when you’re feeling under the weather, you want to know how to feel better fast. Luckily, there are several doctor-recommended ...

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) ...

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 ...

"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 ...