New Devices for Smoking Marijuana Vaping Cannabis Produces Stronger Effects Than Smoking Cannabis For Infrequent Users Johns Hopkins Medicine Pot Smoke And Mirrors: Vaporizer Pens Hide Marijuana Use : Shots Health News : NPR Many young people who vape did not smoke cigarettes before they started vaping. But young people who vape are more likely to start smoking cigarettes than those who never vape. For help Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times