Policy must move from uncertainty to evidence based., MYTH: We dont have enough long term data on vaping, so we can't be sure it's a safer alternative., REALITY: This claim no longer applies when Vaping: The Most Effective Smoking Cessation Method Ever Devised Per N E cigarettes and nicotine abstinence: a meta analysis of randomised controlled trials European Respiratory Society Transcript E cigarettes and the Cochrane Review American Council on Science and Health Public Health Consequences of E Cigarettes