Can you get second hand smoke from a vape Secondhand Vape Exposure: Effects, Who's at Risk, and More Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY How secondhand smoke, thirdhand smoke & vaping affects kids Secondhand Electronic Cigarette Aerosol and Indoor Air Quality US EPA Juul study shows secondhand vaping emissions are less toxic than cigarette smoke