Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Secondhand Vape Exposure: Effects, Who's at Risk, and More 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.