Most common e cig refills contain respiratory irritants, and people who smoke and use e cigs are more likely to experience respiratory symptoms ERS European Respiratory Society Smoking e cig hi res stock photography and images Alamy E cigarette risk perceptions an American crime scene The Counterfactual E cigarette : des experts dnoncent "le rapport trompeur" de l'OMS Vape libre, blog et magazine sur la cigarette lectronique The Call to Action E Cigarette Use Among Youth and Young Adults NCBI Bookshelf