According to the Centers for Disease Control and Prevention (CDC), many vaping products contain nicotine, which can change the developing teen brain. E cigarettes also produce aerosol that may contain heavy metals, ultrafine Cigarette lectronique et cigarette traditionnelle : rappel des faits. Actualits E cigarette E cigarette Characteristics, Safety Issues, & Regulation Britannica Which e cigarette is most like my favourite cigarette? : The Electric Tobacconist Ltd. Tobacco Control Chronic Disease Prevention & Health Promotion Division Electronic Cigarettes Notes from the Field: Use of Electronic Cigarettes and Any Tobacco Product Among Middle and High School Students United States, 20112018 MMWR