While vaping is not risk free, it is less harmful than tobacco Our World in Data Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN The Effects Of Secondhand Smoke Tear Pad Health Edco Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure Secondhand Smoke Vermont Department of Health