Black mucus is rare. It can be the sign of a fungal infection, or exposure to pollutants such as coal, dust or cigarette ...

Even if it is kind of gross when you're full of it and wrestling with it, phlegm actually serves a useful purpose: The thick, sludgy substance—made up of mostly water, salt, and antibodies—is designed ...

If you’ve ever fought a cold or infection in the past, chances are you’ve had the not-so-pleasant experience of coughing up green phlegm. Along with a runny nose and sore throat, green phlegm is ...

New studies show that thyme not only relieves cough and phlegm, but also reduces inflammation, relaxes the airways, and helps ...

It’s not uncommon when you develop a hacking cough from deep down in your lungs to cough up a gel-like substance known as phlegm, or sputum. While you may think nothing of it, simply associating it ...

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 ...

Mucus, or phlegm, is a thick, slippery substance secreted by glands and cells in your body. It’s important to your immune system because it traps microorganisms, dirt, and other particles that shouldn ...

It seems almost impossible to dodge the common cold or flu during the winter months, and returning to work with the pesky symptoms can be a challenge for many people. Respiratory illness symptoms ...

Various home remedies can help manage phlegm and mucus, such as drinking plenty of fluids and using a saline nasal spray or rinse. If home remedies do not help, over-the-counter and prescription ...

Struggling through a nasty round of bronchitis with little better to do than binge watch Netflix and feel epically sorry for myself, I pondered the ageless cold-and-flu-season question: Phlegm. Why?