How Electronic Cigarettes Work HowStuffWorks Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published Electronic cigarette Wikiwand OpenVape: An Open Source E Cigarette Vapor Exposure Device for Rodents eNeuro Consequences of E Cigarette Tobacco Misclassification Regulatory cloud hangs over e cigarette revolution Yahoo News Singapore