New E Cigarette Laws Could Drive Some Users to Smoke More Cigarettes Duke Health E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all E cigarettes didn't help smokers quit, study says CNN Cigarette lectronique 200w E cigarettes et Kits 200w 5 Vaping Facts You Need to Know Before You Start The Hidden Dangers Clutch Vape New Harmful Effects of Vaping: Study Finds Lung Inflammation Worse in E Cigarette Users Than Smokers