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 smoke and secondhand aerosol Secondhand Vape Exposure: Effects, Who's at Risk, and More Can you get second hand smoke from a vape In secondhand vape, scientists smell risk American Heart Association Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London