COMPANION TO: HEROIN, ISBN 9781725347601. Nicotine-delivery vaping devices that were designed to help adults stop smoking are now being heavily used by teens. 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.This book defines vaping, discusses how the trend began, and uncovers why teens are attracted to this activity. Ages 9 to 13