If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...

But there’s probably a good reason you have that cough — and it can tell you a lot about what’s going on in your body.

When a person has black or dark-colored mucus, they may have inhaled potentially harmful pollutants. Coughing up black mucus may also be due to an underlying infection or condition. Mucus serves ...

A telltale sign you’re getting sick is excess mucus, and if you’ve ever been desperate to stop coughing and sneezing, you’ve likely examined your mucus color, from yellow to green ...

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 ...

Magnetized algae micro swimmers retain speed and maneuverability, showing promise for targeted drug delivery in confined ...

Although cystic fibrosis is a single gene mutation, there are more than 1,000 different ways the CFTR gene can mutate in ...