Visualizing the differences between healthy lungs and a smoker's lungs

Learn from biological information about how the lungs work including an interactive visual on what a healthy lung looks like compared to a smoker's lung. Use the links to the American Lung Association for tips on how to take care of your lungs, as well as information on how to get help to quit smoking.

Drag the slider to see both sides of the lung and click on the circles to see more information about that topic.

No Flash