Should I Be Concerned About Secondhand Vaping? Effect of second hand fumes from vaping on young lungs Secondhand Smoke Vermont Department of Health 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 Experts urge parents not to vape near kids as study finds second hand vapor causes build up of chemicals linked to CANCER Daily Mail Online