Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Parents using e cigs expose kids to dangerous secondhand vapor Futurity Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks Can you get second hand smoke from vape? Vaping Post Effects Of Second Hand Vape Smoke Health Risks of Secondhand Smoke and Aerosols Factsheet Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign.