Will You Actually Live Longer if You Quit Smoking?

It is common knowledge that smoking cigarettes is bad for you. It can cause significant health complications including lung cancer and COPD. Lung tissue, once damaged, cannot repair itself. So if you quit smoking, will it really help you live longer? Tom Miller, MD, talks to pulmonary specialist Nate Hatton, MD, about whether or not quitting smoking can lead to a better quality of life, regardless of age.