Lung cancer Learn about this disease and how you can avoid it. Should you be screened for lung cancer? Here's what to consider. (4 min. read) The Basics What to know about lung nodules Start living better—quit smoking Try, try again to stop smoking Testing for lung cancer Lung cancer: Causes and symptoms More information Smoking's damage to the body Don't smoke? You can still get lung cancer How healthy is the air in your home? Essential oils 101 Secondhand smoke quiz Smoking in America Watch for warning signs of cancer What's in your e-cigarette? E-cigarettes quiz Signs of lung disease Related stories