World smoking rates decline, but e cigarette use raises fresh concerns WHO World Vape Day Recognizes the Impact of Tobacco Harm Reduction Taxpayers Protection Alliance World Vape Day Helping Smokers Who Are Unable to Quit Smoking World Health Organisation backed review gives misleading view on e cigarettes: addiction experts ABC News Affordable vaping for smokers in poor countries branded 'a human rights issue' Human rights The Guardian Despite Claims, Real World Evidence Shows E Cigarettes Not an Effective Smoking Cessation Aid Public Citizen