The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Secondhand Vape Exposure: Effects, Who's at Risk, and More Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London 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