How to Talk With Teenagers About Vaping

E-cigarettes are only the latest entrant into the longstanding category of perils we might wish for our teenagers to avoid. Vaping — using an electronic cigarette to inhale vapor infused with flavor, nicotine, both or neither — holds promise as a path away from the harms of conventional cigarettes. But a report released last month by the National Academies of Sciences, Engineering and Medicine found evidence that vaping might prompt teenagers or young adults to try cigarettes, making it a route toward smoking for a generation of teenagers whose cigarette use is at a 40-year low.