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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.

If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust.

Mucus serves an important purpose in the nasal passages and other cavities throughout the body. It helps protect against infection and harm from foreign objects. It also helps lubricate these ...

Allergy shots may be offered along with other complementary and effective treatments for congestion. Saline nasal rinses are ...

One of the telltale signs to discern if you have allergic rhinitis or a sinus infection is if you have itchy, watery eyes ...

A common myth is that green mucus is a tell-tale sign of a bacterial infection, but both viruses and bacteria can cause this color change. In fact, past research has found that nasal discharge ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Extra mucus in your throat and chest is a common ...

The 88-year-old pope, who has chronic lung disease and had part of one lung removed as a young man, woke up after sleeping ...