Nicotine-delivery vaping devices that were designed to help adults stop smoking are now being heavily used by teens, including many teens who have never smoked cigarettes. As a result of the widespread use of vaping devices, millions of teens have become addicted to nicotine, often without being aware of the health risks. According to the U.S. Surgeon General, teen vaping is now an epidemic. This insightful volume defines vaping, discusses how the...