In TODAY.com's Expert Tip of the Day, a doctor reveals the important clues about your health that can be found in your snot.

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 ...

The color of your snot can tell you about your health. Clear is normal, yellow or green may show infection, white can mean congestion, and red, brown, or black may need attention. Watching mucus helps ...

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

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 ...

A medical professional has revealed what different shades of nasal mucus could indicate about your health, and when it's necessary to seek medical attention from your doctor. With dropping ...

A medical expert revealed the significance of different nasal mucus colors, which help determine when you should consult a ...

There are lots of unpleasant things about being sick. Leaking slimy green snot is near the top of my yuck list. I talked about it with my friend Linda Eddy. She’s a nurse for kids. She runs the ...