Many countries regulate e cigarettes. South Africa should too South Africa Tobacco Reporter Current evidence suggests benefits of e cigarettes outweigh harms Queen Mary University of London South Africa Tobacco Transformation Alliance The Industry Body For The Full Domestic Tobacco Value Chain Evidence update on the respiratory health effects of vaping e cigarettes: A systematic review and meta analysis The evidence for the ecig gateway to smoking keeps piling up; ecig advocates continue to nitpick Stanton Glantz blog