Exposure to secondhand vaping fumes among teens raises concerns UPI.com Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London What Are the Risks from Secondhand Vape Smoke? NVB Inc. Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice E Cigarette Secondhand Smoke Study Finds Nicotine, But Few Toxins IBTimes