Differing Opinions About Second Hand Vape Exposure Vaping Post City Did you know that Secondhand vape and cigarette smoke have similar nicotine levels? For tips on how to protect yourself and your loved ones from toxic secondhand smoke please visit Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Myth Buster ~ "Second hand vape smoke" is actually water vapour and is not harmful to other people or the environment. #vape #vaping #vapeuk #ecigerette #smoke #quit Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London