After 20 minutes
iStock/Astrid Circulation improves in the hands and feet. Find out what helped ex-smokers finally quit.
Excerpt from I Know You Like to Smoke, But You Can Quit—Now, copyright © Andreas Jopp, 2014. Reprinted by permission of the publisher, The Experiment. Available wherever books are sold.
After 2 hours
Syda Productions/shutterstock Pulse, heartbeat, and blood pressure normalize. In the case of pregnant women: the heartbeat of the unborn child also returns to normal. Try these 23 ways to stop smoking for good.