In secondhand vape, scientists smell risk American Heart Association Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Exposure to second hand nicotine from VAPING doubles risk of young adults developing a wheeze Daily Mail Online Is Secondhand Vaping Something to be Concerned About? Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago 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.