Researchers at Washington University School of Medicine in St. Louis have uncovered why some patients with a rare genetic ...

Normal lung tissue is shown on the left. On the right is lung tissue from a person with primary ciliary dyskinesia with a ...

Pope Francis was hospitalized on Feb. 14, after suffering a bout of bronchitis for weeks and after increasingly finding it ...

Pope Francis is still being treated in the hospital. He experienced two episodes of acute respiratory failure due to mucus buildup yesterday.

When a person has black or dark-colored mucus, they may have inhaled potentially harmful pollutants. Coughing up black mucus may also be due to an underlying infection or condition. Mucus serves ...

Often marketed as an essential safety tool for parents, plug protectors promise to shield children from the dangers of electric shocks – but experts say they do the opposite. As you can see in our ...

Some people believe you should avoid consuming milk and other dairy products when you have a cold or sore throat because they create mucus that can make symptoms worse. To date, the evidence ...

First, it’s important to know that fish are covered in a thin layer of mucus. This slimy coating (it is also called a “slime coat”) is known to keep fish healthy by warding off pathogens.

Your diet can lead to typically temporary changes in poop color or shape, but so can a range of health conditions that cause poop to be pale or dark, turn green, become runny, or contain mucus.

A telltale sign you’re getting sick is excess mucus, and if you’ve ever been desperate to stop coughing and sneezing, you’ve likely examined your mucus color, from yellow to green ...