Add Yahoo as a preferred source to see more of our stories on Google. Curious about your snot? Plenty of people take a peek at what winds up in their tissue after a good nose blow, but doctors say ...

If you’re blowing your nose regularly, it’s hard not to notice your mucus—and what color it is. So it can also be alarming if you happen to spot yellow, brown, bloody, or green mucus in your used ...

Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19, RSV and the common cold. A telltale sign you’re getting sick is ...

Most people are all too familiar with the icky, uncomfortable feeling of having mucus build up in the nasal passageways while suffering through a cold or bad allergy flare-up. Or is it phlegm, rather ...

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 ...

What is a mucus plug? Your mucus plug is a thick clump of mucus in your cervical canal that acts as a protective barrier. The ...

This germ fighting goo gives useful clues about your immune system and more! We explore the science behind your snot. There's a lot of chemistry going on in your phlegm. This germ-fighting goo ...