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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The color of your mucus can reveal some surprising things about your health. (Photo: Getty Images) (Getty Images/iStockphoto) ...

Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...

Mucus is a thin, slippery fluid that lines the nose, throat, and other passages to trap dust and germs. Phlegm is a thicker type of mucus produced in the lungs to catch and remove harmful particles ...

Allergies, infections, acid reflux, smoking, and exposure to environmental irritants can cause extra mucus in your throat. Home remedies like drinking more fluids, avoiding irritants like smoke, and ...

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) ...

Mucus, also called phlegm, is the lubricating substance that lines the surface of your lungs, mouth, sinuses, stomach, intestines, and even eyes, according to the National Institutes of Health (NIH).

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Extra mucus in your throat and chest is a common ...

When you’re sick you’ll often produce more phlegm, and might notice it’s thicker or a different colour: white, green, yellow or maybe even brown. What can this phlegm – also called mucus, snot, sputum ...