Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand vape exposure: Risks and side effects Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Thirdhand Smoke Resource Center Protecting Californians We protect kids from cigarette smokelet's do the same with vaping. Secondhand vape isn't harmless, here is what parents need to know: https: www.undo.org disease secondhand vape