Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition asthma tobacco Asthma Initiative of Michigan Vaping may be causing irreversible harm to children's health, doctors say Vaping The Guardian Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA 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.