Lung cancer can spread to your spine, which causes back pain and other symptoms. Back pain that worsens at night may be a sign of lung cancer, although this is rare. You can get treatments like ...

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 ...

Pulmonary alveolar proteinosis (PAP) is a rare respiratory disease that affects somewhere between 4 and 40 people per million worldwide. The condition causes substances such as fats and proteins to ...