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

You loved them as a kid, you flung them across the room, and you probably even ate a few. Your nose is built with a fantastic gooey substance called mucus, and we produce close to a liter of it ...

Whether you're dealing with a runny nose, cough or congestion, your mucus can help determine if it's a minor bother like a ...

Myth or fact? Snot can be good for you. Producing mucus will help clear your sinuses, help clear your nasal passages. Laura Martin, MD, MPH And the snot and the mucus, they help keep our mucous ...

Susan Russell, MD, is a board-certified pulmonologist and Medical Director of Medical Intensive Care Unit (MICU) for Northwestern Memorial Hospital's Medical ICU. You can get rid of chest mucus by ...

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 ...