Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine The Impact of E Cigarettes and Asthma: What You Need to Know Study shows second hand vaping exposure very low compared to second hand smoking Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Electronic Cigarettes: Common Questions and Answers AFP