E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA The Truths Behind Vaping: Information for Youth and Teens USU Nicotine isn't the only hazard to be found in e cigarettes Chicago Tribune 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 JUUL Pod Ingredients: What's in E Cigarettes? blu.com Classic Tobacco Disposable