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.

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

A medical professional has revealed what different shades of nasal mucus could indicate about your health, and when it's ...

The color of your snot can tell you about your health. Clear is normal, yellow or green may show infection, white can mean ...

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 ...

DEAR DR. ROACH: Colds and flus seem to linger in my lungs and nose for a week or more after all other symptoms have passed. If my phlegm and mucus are clear or white and I otherwise feel healthy, am I ...

Your mucus can tell you a lot about your health. Did you know that the color of your boogers has different meanings and can suggest potential health problems? The last time you or your kid came down ...

Dear Mayo Clinic: My grandson frequently has a runny nose, and the color of the nasal mucus is sometimes green to yellowish. I’ve heard that this is a sign of a bacterial infection and perhaps the ...

When you’re struggling through a case of the common cold, the snot pouring from your nose seems endless. You go through countless tissues to mop up all the chunky, bright yellow boogers and thin, ...