- Youths and young adults who used cannabis were significantly more likely to progress to regular tobacco use compared with nonusers.
- Cannabis use was estimated to account for 13% of all new regular tobacco use in 2021—approximately 509,800 additional users.
- Among those aged 12 to 17 years, 32.7% of cannabis users became regular tobacco users within four years, a 15.6–percentage point increase over controls.
- The link persisted after adjusting for demographics, prior tobacco experimentation, mental health symptoms, and perceived cigarette harm.
- Findings support incorporating cannabis use screening and prevention into youth tobacco control and cessation programs.
Source: Tobacco Control
