Secondhand Smoke Vermont Department of Health Does Vaping Cause Second Hand Smoke V2 Cigs UK Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine 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 Secondhand vape plumes could form lung damaging radicals