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. While early research suggests it may not be as dangerous as secondhand smoking, it's still not harmless, experts say. https: www.wate.com news does vaping cause secondhand smoke doctors explain the side effects ?utm_medium=social&utm_source Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Secondhand Smoke Facts: Worse Than Smoking, Effects, and More Tobacco Smoke, Vaping, and Asthma AAFA.org