Is It Safe To Smoke A Vape Around A Pregnant Woman? E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London 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. Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals