One of the strange things about having a rare illness is that, for a long time before you ever receive a proper diagnosis, your mind is filled with thoughts of: "What if?" What if this pain is not ...

Pancreatitis is excruciatingly painful, especially after eating. The pancreas is behind the lower part of the stomach, stretching across the abdomen, so it was conceivable that it was the cause of the ...

Angina pectoris, often shortened to angina, is chest pain or discomfort caused by reduced blood flow to the heart and most ...

Susan Russell, MD, is a board-certified pulmonologist and Medical Director of Medical Intensive Care Unit (MICU) for Northwestern Memorial Hospital's Medical ICU. Muscle strain commonly causes chest ...