Secondhand Smoke and Electronic Cigarette Aerosols US EPA Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Can You Fail a Drug Test From Secondhand Smoke? Test Smartly Labs Secondhand vape exposure: Risks and side effects Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London