Why a group of U.S. states smokes more than a less developed country Adult Smoking in U.S. Fell to Record Campaign for Tobacco Free Kids Vaping: Clearing the Air Baker Institute Opinion Less than 10 percent now smoke, but we're still far from finished AOL 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 Mapped: Teen Vaping Rates by U.S. State (2025) Ecigator