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 Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Secondhand Smoke Vermont Department of Health Secondhand Smoke Social Media Message Library Tobacco Education Clearinghouse of California Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine