Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Secondhand Vape Exposure: Effects, Who's at Risk, and More Health experts say not to 'vape' around children, because the secondhand aerosol (it isn't vapor) from e cigs isn't safe for them Kentucky Health News 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.