 In the study, it was found that 2.4% of the population age succeeds or equal to one five years in Europe currently uses electronic cigarettes. This number is significantly lower than the 8.3 million people who use electronic cigarettes estimated by the authors. Additionally, the majority of those who use electronic cigarettes also smoke traditional cigarettes, use electronic cigarettes with nicotine and consume them in smoke-free indoor areas. This article was authored by Silvano Gallas, Alessandra Lugo, Chiara Stival, and others.