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

Bronchitis and pneumonia are two common respiratory conditions that often cause confusion due to their overlapping symptoms. Both illnesses can affect breathing, lead to persistent coughing, and ...

Pope Francis was in critical condition Monday after suffering double pneumonia, but he was battling bronchitis before that.

The pontiff's condition is touch-and-go, given his age, fragility and pre-existing lung disease, according to doctors.

Vatican Media via Vatican Pool/Getty Pope Francis is being treated for bronchitis. On Friday ... It's from a Minor Fall Never miss a story — sign up for PEOPLE's free daily newsletter to ...