This demo shows a healthy set of lungs and a set of lungs similar to someone who smoked a pack of cigarettes every day for 20 years. You can see that tar has formed a sticky black layer inside the lungs, which restricts oxygen flow and contributes to cancers forming. Choose to have healthy lungs, and say no to all forms of tobacco.

Learn the best way to quit smoking from our expert: https://www.mdanderson.org/publications/focused-on-health/what-s-the-best-way-to-quit-smoking-.h18-1592991.html

Request an appointment at MD Anderson by calling 1-877-632-6789 or online: https://my.mdanderson.org/requestappointment