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 First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects Vaping For Beginners: How Do You Inhale and Exhale Vapor? Medical Marijuana, Inc. Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association How to Enjoy Vaping (E Cigarettes): 11 Steps (with Pictures)