Secondhand vape exposure: Risks and side effects Juul study shows secondhand vaping emissions are less toxic than cigarette smoke 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. Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Can You Get Secondhand Smoke From a Vape or E Cigarette?