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 vape exposure detectable in children's saliva, breath Contemporary Pediatrics Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Solving secondhand "vape smoke" at workand at home