FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims What's the Difference Between E Cigarettes and Vapes? Grow Strong KC What's in an E Cigarette? American Lung Association Is the Nicotine in E Cigarettes Harmful for Your Health? Scientific American Quel dosage de nicotine pour ma cigarette lectronique ?