Tobacco Vapers Had 7.12x Cannabis Vaping Odds in BRFSS
A 2026 BRFSS analysis involving 4,071 U.S. adults who used cannabis and either smoked cigarettes, vaped nicotine, or did both found a strong modality match: people who vaped tobacco were much more likely to vape cannabis than to smoke cannabis.1 For addiction and harm-reduction assessment, the pattern is a route-specific risk signal because smoking, vaping, …