Can you get second hand smoke from vape? Vaping Post Secondhand smoke and secondhand aerosol Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Should I Be Concerned About Secondhand Vaping? Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Can You Get Second Hand Smoke From A Vape?