“It took decades of research to prove the devastating health effects of cigarette smoking, which kills nearly half a million people each year. Widespread vaping is just a few years old and has already produced one public-health panic. It may not be the last … CDC scientist Brian A. King admits, ‘We’re certainly in the midst of a broad, population-based experiment, if you will, in terms of the long-term health effects of these products.’ That’s science speak for We have no idea what’s going to happen.” NY Mag: Who Thought Sucking on a Battery Was a Good Idea?