When trying to reach young adults about nicotine dependence, the way a message is delivered matters just as much as the content itself. A study of over 800 young adults found that people consistently trust experts more than peers when it comes to e-cigarette health information. Interestingly, messages delivered by experts were also perceived more positively overall.
However, the structure of the message creates different reactions depending on who is listening. For current vapers, one-sided warnings—which focus only on risks—actually led to more positive attitudes toward e-cigarettes and a higher sense of threat to their personal freedom. In contrast, two-sided messages, which acknowledge both risks and benefits, triggered more anger among those who had ever tried vaping.
These findings suggest that the best way to reach people depends on their current habits. While experts are generally trusted more than influencers or peers, the specific framing of a message can unintentionally backfire if it makes the audience feel defensive. Because this study measured how people perceived messages rather than actual changes in behavior, these results offer a roadmap for crafting better public health campaigns.