In this randomized clinical trial that included more than 1500 adolescents, Real Cost vaping prevention advertisements reduced susceptibility to vaping compared with control videos. Real Cost advertisements also reduced susceptibility to smoking cigarettes compared with control videos. These findings suggest that vaping prevention advertisements reduced the extent to which youth were open to vaping and had beneficial effects on cigarette smoking outcomes.

Study details: https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2797258