High nicotine e cigarettes dominate the market, with sales increasing 15 fold in five years 5 Vaping Facts You Need to Know Johns Hopkins Medicine Parents, know the harms of vaping and how teens are targeted: The use of e cigarettes is unsafe for kids, teens, and young adults. Most e cigarettes contain nicotine. Nicotine is highly addictive Vaping drugs: the rise of people using vapes to smoke illicit substances ABC News Talking to Your Teen Who Vapes University of Rochester Medicine