Secondhand Vape Exposure: Effects, Who's at Risk, and More E Cigs and Second Hand Vaping: Dangers and Protections Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase 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.