Vaping Global State of Tobacco Harm Reduction Inside the toxic world of vaping scientists POLITICO World No Tobacco Day 2018, here's why you should switch to e cigarettes Health More than 100 million people around the world now use e cigarettes, including at least 15 million children, according to the World Health Organization (WHO). The organisation has warned that vaping is fuelling Despite Claims, Real World Evidence Shows E Cigarettes Not an Effective Smoking Cessation Aid Public Citizen