A cough that produces mucus, or phlegm, is known as a wet — or productive — cough. Producing mucus while coughing is typically a response to allergens and irritants, airway infections, or an ...

Mucus consists mainly of water and a gel-forming molecule called mucin. The body uses mucus to protect tissues, remove particles, and prevent infections. Mucus is essential for the functioning of many ...

When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. We all produce mucus, even when healthy. Mucus is a ...

Mucus is a normal part of the lungs. But smoking and other issues can cause too much mucus to collect there. (Photo Credit: iStock/Getty Images) Your body makes about a liter (approximately 1 quart) ...

Too much mucus can make it hard for babies to breathe and may indicate an infection. A clean bulb syringe can help you suction excess mucus from your baby’s nose. Congratulations, you’ve brought your ...

The sticky, slimy goo plays an essential role in fighting off infections, shaping the gut microbiome and more. Credit...Sisi Kim Supported by By Nina Agrawal To many people, mucus is nothing more than ...

If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust.

Mucus does more than cause congestion. It is highly beneficial to our health, trapping pathogens and protecting the body from infection. But a recent post on Instagram claims mucus has no benefits.

We know it best as a stringy slime dripping from noses and as viscous, discolored goop hacked up by sickened airways. But it’s so much more than that. Coating the surfaces of guts, eyes, mouth, nasal ...

The protective substance is an important barrier between the body and the environment. Here’s how researchers are using it to understand health. Credit: Wikimedia Commons/CC BY-SA 4.0 When Pilar Vigil ...