Lungs Learn how your lungs work and how you can keep them healthy. The Basics Reduce your risk of pneumonia Don't smoke? You can still get lung cancer How the lungs work Lung cancer 101 What you need to know about pneumonia More information Reduce your risk of pneumonia Using a peak-flow meter Coping with coughs How to control asthma triggers Save your lungs: Stop smoking How healthy is the air in your home? Got asthma? Get a flu shot Pneumonia 101 Lost breath: COPD and your lungs Should you be screened for lung cancer? Related stories