The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect January 2016 E Cigarettes More Risky Than Many Think Petro Cohen About E Cigarettes (Vapes) Smoking and Tobacco Use CDC E cigarette newsAuthorities say e cigarette risks justify ban on vaping 'lifestyle' Vaping has soared in popularity over the last decade, growing from about 7 million users in 2011 to 41 million in 2018.