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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

TB tests use phlegm — not the easiest thing to get or work with. It takes time for results. And there can be false negatives and positives. A new test is more accurate and takes less than half an hour ...

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.

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?

Coughing up phlegm or sneezing out green snot is par for the course when you're battling a cold. But revolting as they are, these gooey substances do reveal important clues about your health. Coughing ...

For beginner runners and seasoned athletes alike, even the shortest and lightest runs can feel difficult when you add in bad weather or allergies that can cause phlegm. Your body may also build up ...

We all produce mucus, even when healthy. Mucus is a barrier to the outside world that helps protect the organs in our bodies. It’s produced by special cells within the epithelium. This is a tissue ...

Having a cold or a flu is unpleasant enough without suffering the indignity of phlegm. But those gobs of goo are there for a reason. Struggling through a nasty round of bronchitis with little better ...

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?