Tracking the course of vaping and cigarette smoking across adolescence: the Child to Adult Transition Study The Lancet Regional Health Western Pacific Nicotine use among young people is evolving. New research shows more youth are using multiple nicotine products at the same timemost commonly cigarettes and e cigarettes, with a growing rise in combining vapes In 1980, roughly a third of American adults still smoked. Now here's a figure from 2024: 9.9 percent. That's the share of American adults who smoke cigarettes, according to data from the Tobacco Use Health, United States