Another Gross Reason to Put Down the E Cigarettes American Lung Association Vaping Related Illness and Lung Disease NEJM Chemical characterisation of the vapour emitted by an e cigarette using a ceramic wick based technology Scientific Reports Evidence so far shows e cigarettes are much safer than smoking. Here's why: E cigarettes and cancer: new report faces sharp criticism Vejpkollen.se Teens using e cigarettes show evidence of same toxic chemicals as smokers: Study ABC News