Secondhand smoke and secondhand aerosol 5 Vaping Facts You Need to Know Johns Hopkins Medicine Secondhand smoke from vaping could be harmful to children: study ABC13 Houston 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 Electronic Cigarette Aerosols US EPA Secondhand Smoke Vermont Department of Health