Effect of second hand fumes from vaping on young lungs 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 How Bad Is Second Hand Vape Smoke Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA