Different people are attracted to e cigarettes for different reasons, so there's no one good way to bring up their potential dangers with your kids. But understanding what might motivate them to try, More than 2 million US teens use e cigarettes, a quarter of them daily, CDC and FDA find CNN New Study: Teens More Likely to Vape If Parent Smokes Madison Avenue Cardiovascular & Concierge Medicine A Guide To Teen Vaping What You Need To Know