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

Bronchitis refers to inflammation in the small airways in the lungs. When the airways get inflamed, they produce mucus. Mucus helps the body flush out what it thinks is an infection, but it can ...

The Pontiff left the hospital on Sunday following treatment for a severe respiratory infection that led to bilateral ...

Preliminary tests show Pope Francis has a respiratory tract infection. ROME — Pope Francis was hospitalized Friday after a weeklong bout of bronchitis worsened and was receiving drug therapy for ...