Adolescents who use e cigarettes are more likely to use conventional cigarettes The Impact of E Cigarettes and Asthma: What You Need to Know Vaping increases risk of lung disease by a third, U.S. study suggests CBC News Update: Demographic, Product, and Substance Use Characteristics of Hospitalized Patients in a Nationwide Outbreak of E cigarette, or Vaping, Product UseAssociated Lung Injuries United States, December 2019 MMWR Factsheets Tobacco Prevention Toolkit Stanford Medicine