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 aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN In secondhand vape, scientists smell risk American Heart Association Secondhand vape exposure: Risks and side effects The risks of vape pens' secondhand aerosols