Sep 20, 2024 · It lines your mucous membranes and helps trap and destroy or clear out germs and harmful particles. Mucus gets thick and sticky and might be white, yellow or green when you have an …

Apr 22, 2025 · If your nasal discharge is any color other than clear, it could be a sign of an infection. Learn more about what yellow, green, brown, black, and red snot mean.

Mar 25, 2025 · Snot can come in nearly all shades of the rainbow. And each color of snot – also called mucus or boogers – tells you something different about what’s going on inside your body.

Jan 27, 2022 · Because mucus is the first line of defense against infections, snot can take on different colors depending on what’s going on in your body. Did you know that snot color can actually tell you …

Feb 21, 2025 · When you have a respiratory illness, excess mucus is an under-appreciated line of defense from your immune system. But can you really tell what kind of illness you have or where you …

Nov 21, 2025 · Explore the cellular engineering behind nasal mucus formation and how this fluid acts as your body’s essential respiratory defense system.

Jul 16, 2025 · Yes, mucus – or snot, or phlegm – is gross, but it has vital clues about your health. Learn what it might be telling you and when to see a doctor.

Jul 9, 2025 · Snot plays a powerful role in protecting us from disease – and its colour alone can provide insights into what's going on in our bodies. In Ancient Greece, snot was thought to be one of the...

Feb 1, 2024 · If your snot is white, you might have some run-of-the-mill congestion. If your snot is yellow or green, it could signal that you have a common cold or another viral or bacterial infection such as a …

The mucus that comes out of our nose is most commonly referred to as snot. But sometimes your nose produces more than mucus. It’s important to know the difference between mucus, pus, polyps, …