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 ...

You should see a doctor promptly if your cough is accompanied by fevers, chills, night sweats, coughing up blood, shortness ...

You can get rid of chest mucus by using home remedies like hot steam, soup, and certain medications. Mucus is a substance that lubricates and protects several organs, but too much can be a sign of ...

Symptoms of the infection often develop slowly and typically start with a cough lasting for more than three weeks ...

The NHS has issued a warning over a slow-developing bacterial infection that usually starts with a cough. While the illness ...

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 ...

ROME and LONDON -- Pope Francis suffered two episodes of "acute respiratory failure" on Monday, the Vatican said. The episodes were caused by a "significant accumulation of endobronchial mucus and ...