Coughing up thick, green mucus may mean a bacterial or, less often, viral infection, but that's not always true. You ...

The mucus in your nose serves many functions. Its colour can tell you and your doctor a lot about what’s going on in your body. While this is not enough to diagnose anything outright, it offers ...

Expert pulmonologists share essential guidelines on distinguishing normal coughs from dangerous ones, plus effective home remedies for relief.

Producing mucus will help clear your sinuses ... A lot of people think yellow or green snot means you need an antibiotic. That is not true. Laura Martin, MD, MPH If it's a viral infection causing ...