Vaping vs. Smoking: What's the Truth? Tobacco Stops With Me What Is Vaping and Why Is It Risky? 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 Teen vaping rising fast, and Harvard official is concerned Harvard Gazette