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 ...

It’s that time of year again, when everyone’s fighting a cold and blowing their nose. Maybe you’ve found yourself having ...

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 ...

Yellow mucus usually means that your body is dealing with an infection. It’s often a direct result of the white blood cells fighting off a bacteria or virus. According to Connor, green mucus can ...

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 ...