COVID 19 incidence and death correlated with vaping across states Stanton Glantz blog Impact of e cigarette experimentation and use on smoking behavior among adolescents aged 1516 years in the Loire department, France Population Based Disease Odds for E Cigarettes and Dual Use versus Cigarettes NEJM Evidence Increased e cigarette use prevalence is associated with decreased smoking prevalence among US adults Harm Reduction Journal Springer Nature Link Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society E cigarettes cause lung condition known as EVALI : Revista Pesquisa Fapesp