Impact of messages about scientific uncertainty on risk perceptions and intentions to use electronic vaping products.

Background: The science surrounding e-cigarettes and other electronic vaping products (EVPs) is rapidly evolving, and the health effects of vaping are unclear. Little research has explored how individuals respond to information acknowledging scientific uncertainty. The aim of the present study was to understand the impact of messages about scientific uncertainty regarding the health effects of vaping on risk perceptions and behavioral intentions.