Let's talk vaping. Smokeless doesn't mean harmless. Most e cigarettes contain nicotine which is highly addictive and can harm adolescent brain development, which continues into the early mid 20's. Some e cigarettes can even Juul can continue selling e cigarettes as FDA says vaping benefits outweigh risks PBS News Juul & a Vaping Crisis for Teens Morningside Center for Teaching Social Responsibility Juul Wikipedia Juul disregarded early evidence it was hooking teens