E cigarettes: How they work, risks, and research E liquide belgique, e liquide belge, liquide cigarette electronique A South Korean study suggests that smokers who switch entirely to e cigarettes may face a lower risk of major cardiovascular events than those who continue smoking after a major heart procedure. #INQAsks: Vaping: Understanding the Risks and Impacts on Health Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals