Can Smoking and Vaping Cause Back Pain? National Spine Health Foundation Vaping substantially less harmful than smoking, largest review of its kind finds King's College London Vaping' Increases Odds of Asthma and COPD Johns Hopkins Medicine Sharp rise in vaping among young adults who never regularly smoked Teen vaping rising fast, and Harvard official is concerned Harvard Gazette Can vaping help wean people off cigarettes? Anti smoking advocates are sharply split : Goats and Soda : NPR