Is Vaping Worse Than Smoking? St. Vincent's Medical Center New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking While vaping is not risk free, it is less harmful than tobacco Our World in Data Smoking vs vaping what are the key differences? Evapo Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC