Embarrassing and annoying, right? This uncomfortable feeling is due to phlegm build-up from mucus-forming foods. While mucus can serve as a protectant against dust, bacteria, and pathogens; too much ...

Discover 6 alarming reasons why your mucus turns brown and what this color change means for your health. Learn when to seek ...

Medically reviewed by Amelia MacIntyre, DO Mucus, a fluid in your upper respiratory system, is usually clear. But a number of health conditions can cause it to turn brown. Also known as brown phlegm ...

Zac Brooke was diagnosed at 16 days old and wants to give back to the charity that funds vital research into the condition ...

Breathing—a natural and essential process—can be an incredibly labored process for people with cystic fibrosis. CF, a genetic ...