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 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 New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking E Cigarettes Knowledge Shot: Vaping versus smoking: what are the risks: Video, Causes, & Meaning Osmosis