In-depth

Endocarditis

Endocarditis is an infection of the heart's inner lining. Find out who's at risk.

Pneumonitis

Pneumonitis is a general term for lung inflammation. It can cause difficulty breathing, often accompanied by a cough.

Sarcoidosis

Sarcoidosis starts in your lungs but can cause inflammation in any part of your body. It can last a lifetime, or disappear in a few years.

Nov. 16, 2011