Mucus is a thin, slippery fluid that lines the nose, throat, and other passages to trap dust and germs. Phlegm is a thicker type of mucus produced in the lungs to catch and remove harmful particles ...

Although mucus and phlegm are related terms, they don't mean exactly the same thing. Karl Tapales via Getty Images Most people are all too familiar with the icky, uncomfortable feeling of having mucus ...

Crushing your mile time or hitting a new max during a set of deadlifts calls for a celebration. Unfortunately, for some people, this post-workout time is spent ridding their body of excess phlegm.

Worried about phlegm in vomit? Learn the common causes, simple home remedies, and when you should see a doctor.