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 ...

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) ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it ...

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?

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, ...

Coughs from different illnesses have specific sounds that can help make a diagnosis. Learn about the sounds of a bronchitis cough. Share on Pinterest arto_canon/Getty Images When a healthcare ...

Anyone who has dealt with a lingering cough knows how quickly it can take over daily life. It interrupts conversations, disrupts sleep and makes even simple things like eating or drinking ...

Add Yahoo as a preferred source to see more of our stories on Google. It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it makes matters even worse.

Mucus isn't exactly something people give much thought to — until they're sick and dealing with a constantly runny nose. But mucus is actually an important part of a healthy immune system, according ...