Assessment of School Staff Knowledge and Perceptions of Student E cigarette Use and Resource Needs, and E cigarettes Confiscated at 12 North Carolina High Schools 2019 Published in North Carolina Medical Journal Vaping: How popular are e cigarettes? Vaping linked to 19% higher risk of heart failure, study finds PDF) E Cigarettes are More Addictive than Traditional CigarettesA Study in Highly Educated Young People 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.