Here's what causes bronchitis, how the illness usually spreads and how you can treat symptoms if it affects you or a loved ...

Mucus protects our body by trapping bacteria and particles. The color and texture of your mucus can give clues about your ...

A person will often cough up phlegm when viruses ... This type of infection can cause bleeding in the airways, and this blood makes the mucus and phlegm appear dark or black.

A small amount of blood in the phlegm or mucus you cough up during a cold is normal. A little bit of blood in your phlegm will make the phlegm look red or pink, and it usually means that the ...

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 ...

Productive coughs, characterized by mucus production ... contributing to persistent cough symptoms. Certain medications, particularly those treating high blood pressure, can trigger persistent ...

Pope Francis experienced two respiratory episodes Monday caused by a buildup of mucus, another setback for the Catholic ...

Phlegm might seem like an everyday nuisance, but it can serve as a critical indicator of your body’s respiratory and systemic ...