Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Tobacco Smoke, Vaping, and Asthma AAFA.org Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not 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 Vaping: Both Bad for Kids University Hospitals