Secondhand Smoke and Electronic Cigarette Aerosols 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. Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago Is Second Hand Vape as Dangerous as Secondhand Smoke? Vapesourcing