If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...

One persistent rumor claims you can increase your chances of survival by coughing "repeatedly and very vigorously" in a practice researchers call "cough CPR". This comes from Dr. Patrick Teefy ...

A cough that is related to heart failure often sounds wet and may be accompanied by blood-tinged mucus. On the other hand, coughs caused by medications used to treat congestive heart failure often ...

For instance, many people believe yellow or green ... it's time to increase mucus production to capture the pollen. From there, it's destroyed by the neutrophils, or expelled from the body by a sneeze ...

Plummeting temperatures and icy conditions can trigger potentially life-threatening asthma attacks or flare-ups for people ...

Cases of whooping cough rose to more than 35,000 in the U.S. in 2024, which is an increase of more than 400 percent compared with 2023, when just over 7,000 people got the illness. This is ...