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 Smoke and Electronic Cigarette Aerosol Resources US EPA Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Secondhand Vape Exposure: Effects, Who's at Risk, and More Health Effects from Secondhand Exposure to E Cigarettes: A Systematic Review of Peer Reviewed Articles from 20042024