I don't think that's true. The case against vaping is that it draws in people younger and ones that wouldn't otherwise smoke. In that case, the marginal harm fr

I don't think that's true. The case against vaping is that it draws in people younger and ones that wouldn't otherwise smoke. In that case, the marginal harm from vaping might outweigh the marginal gain for smokers. Particular, since it's worse than quitting entirely, and you'd have to see how many people do not quit nicotine products because vaping is available.