New data show nearly 800,000 teens vaped for the first time in the past year, as FDA is set to announce first major decision to remove a popular e cigarette brand What's in an E Cigarette? American Lung Association Everything you need to know about e cigarettes Vox Use of vapes (e cigarettes) among adults in Great Britain ASH What We Know About Vaping Smokefree What Are the Differences Between an E Cigarette and a Vape Kit?