Introduction
PMT
Using Protection Motivation Theory (PMT), we examined the effect of threat appraisal information (perceived vulnerability-PV and perceived severity-PS) to reduce vaping intentions, and in turn reduce vaping use. Canadian university students (Canada has one of the highest rates of vaping usage in the world, with more than one-third of Canadian students having tried vaping products at some point in their lives, the highest rates of vaping being among young adults (18–24 years) (The existence of health risks associated with the use of e-cigarettes is robust, however, there is limited evidence to support the presence of health benefits and extent of health outcomes related to vaping cessation (An important practical intervention question is will information about the protective health risks of vaping behaviour have any impact on vaping intentions and behaviour for self-identified, regular vapers? 