Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as ...

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 ...

There are lots of unpleasant things about being sick. Leaking slimy green snot is near the top of my yuck list. I talked about it with my friend Linda Eddy. She’s a nurse for kids. She runs the ...

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 ...