World smoking rates decline, but e cigarette use raises fresh concerns WHO New study finds e cigarettes could release 15 times more formaldehyde than tobacco Affordable vaping for smokers in poor countries branded 'a human rights issue' Human rights The Guardian World Vape Day Recognizes the Impact of Tobacco Harm Reduction Taxpayers Protection Alliance Infographic: E cigarettes & Cardiovascular Disease World Heart Federation World Vape Day Helping Smokers Who Are Unable to Quit Smoking