e Cigarettes Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane Lung cancer risks persist with e cigarette use after quitting tobacco smoking Smoking Cessation: Help To Quit Smoking Froedtert & MCW