First comparison of dangers of tobacco cigarettes, e cigarettes and waterpipes Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Johns Hopkins Medicine Team Proposes Ways to Regulate and Better Manage E Cigarette Use Johns Hopkins Medicine Dangers of Vaping: Why E Cigarettes Are Harmful to Health Infographic: E cigarettes & Cardiovascular Disease World Heart Federation