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 Complete Guide to Secondhand Vaping Devices Vape Direct Secondhand vaping may pose risk to your kids: New study According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5% Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals