Smoking both traditional and e cigarettes may carry same heart risks as cigarettes alone American Heart Association E Cigarette Devices Some E Cigarette Flavors May Be More Harmful Than Others The Atlantic What's the Difference Between E Cigarettes and Vapes? Grow Strong KC Surgeon General Calls E Cigarettes a "Major Health Concern" for Teens The Atlantic What Are the Differences Between an E Cigarette and a Vape Kit?