Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the E Cigarettes and Vaping OHSU Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times 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 The 101 on e Cigarettes Infographic American Heart Association