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 Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Secondhand vape exposure: Risks and side effects Second hand vape smoke linked to more asthma symptoms in kids Secondhand Smoke vs Vape: What the Science Says