U.S. E cigarette & Vape Market Size And Share Report, 2030 Pourquoi ma cigarette lectronique ne s'allume plus ? New grant will help researchers understand ways to reduce e cigarette and cigarette use among teens Arnold School of Public Health University of South Carolina 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