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 Study: Vaping Doesn't Help Smokers Quit Cigarettes E Cigarettes More Successful in Helping Smokers Quit Respiratory Therapy E cigarettes: Viable to Quit Smoking or Controversial Alternative? E cigarettes a tool to reduce inequalities in smoking? UCL Institute of Epidemiology and Health Care Blog