Experts urge parents not to vape near kids as study finds second hand vapor causes build up of chemicals linked to CANCER Daily Mail Online Secondhand Smoke Vermont Department of Health Secondhand Smoke Second hand E cigarette Vapour Increases Risk Of Poor Respiratory Health Study Finds Cigarette Smoke Detector Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Secondhand smoke damages lungs, MRIs show EurekAlert! Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center