QuickStats: Percentage Distribution of Cigarette Smoking Status Among Current Adult E Cigarette Users, by Age Group National Health Interview Survey, United States, 2021 MMWR Who smokes in America? Pew Research Center Products Data Briefs Number 524 January 2025 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 Public Believes Nicotine Based Smoking and Vaping Products Are More Harmful Than Those Containing THC NORC at the University of Chicago