What Happens to Your Body When You Quit Smoking?

Even if you’ve been a lifelong smoker, it’s never too late to quit. A pulmonologist explains how your lungs — and the rest of your body — begin recovering less than half an hour after you quit.

Scissors cutting a lit cigarette.
Advertising Policy

Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy