Vaping May Open the Door to Cannabis Use in Teens
Adolescents who used e-cigarettes were significantly more likely to become new smokers of cannabis shortly thereafter, a cohort study found. Cannabis-naive adolescents reporting ever vaping at baseline were more than twice as likely to report also using cannabis when surveyed a year later (adjusted RR 2.57 vs nonusers of e-cigarettes, 95% CI 2.04-3.09), reported Ruoyan