Second Hand Vape: Should You Be Worried? Have you heard of Third Hand Smoke , When most people think about the risks of smoking, they picture first or second hand smokethe smoke you inhale or breathe when someone lights up near you. But 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 Can I Get Secondhand Smoke From Vape Second hand vaping exposure very low compared to second hand smoking UCL News Second hand vape smoke linked to more asthma symptoms in kids Parents using e cigs expose kids to dangerous secondhand vapor Futurity