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 ...

Phlegm might seem like an everyday nuisance, but it can serve as a critical indicator of your body’s respiratory and systemic ...

When a white blood cell finds a germ, it latches onto it. Then it changes its shape to surround the germ. You can imagine the ...

While symptoms often resolve themselves within four weeks, the condition isn't exactly pleasant, causing a dulled sense of smell and sometimes a runny nose with green or yellow mucus. The Mayo ...

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 ...

you’ve likely examined your mucus color, from yellow to green, for signs you may be healing. “We are in the midst of one of the most severe flu seasons in the past few decades, and it is ...