Electronic nicotine delivery system reduces exposure to tobacco‐related carcinogens

An electronic nicotine delivery system (ENDS) decreased exposure to a major lung carcinogen in people who smoke who were interested in reducing the use of cigarettes. This is the major finding of a large-scale, randomized, controlled trial in which investigators tested whether an ENDS that differed in the concentration of nicotine delivered produced different exposures to tobacco-related toxicants.1 The study, which was funded by the National...