Health authorities should develop targeted health messages for vaping product and e-liquid packaging to encourage smokers to switch from cigarettes to e-cigarettes and to prevent non-smokers from taking up vaping, a researcher at the University of Otago, Wellington says. Professor Janet Hoek, a Co-Director of the University’s ASPIRE 2025 Research Centre has led new Health Research Council-funded research analysing the impact of on-package messaging on e-liquids.