Mucus is usually clear when you're not sick. So it can be startling when your boogers are suddenly as yellow as the sun.

Snot plays a powerful role in protecting us from disease – and its colour alone can provide insights into what's going on in ...

What does yellow mucus mean? Yellow mucus means your body's immune system has been activated, which can change the color or consistency of your mucus, according to the Cleveland Clinic.

The color of your phlegm may be more than simply an unpleasant observation; it may also be an indicator into your health. The color of your mucus might point to underlying issues that may require ...

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

Doctors break down why snot changes color, and what each snot color means, including green, yellow, red, brown, and black. They also share treatment options.

Boogers can tell you quite a lot about the state of your health. Here's what the color of your snot says about you, in one simple table.

When you cough up phlegm, it's called sputum. If your sputum is green, yellow, or another color, it's likely a sign of illness.

Before tossing your next used tissue, you might want to check out the snot color inside. As gross as it sounds, your mucus—be it clear, green, yellow, or brown—is a reflection of your overall ...

Boogers are dried nasal mucus (snot) that protect you against infections and allergens. Colors, like green or yellow boogers, can tell you about your health.

Yellow snot is gross, but does it mean you have an infection? Here's everything you need to know about it.