Thirdhand Smoke Resource Center Protecting Californians How Long Does Second Hand Vape Stay In The Air Quality How Long Does Second Hand Smoke Stay In Your System? Effects, Duration Is Second Hand Vape A Thing Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN 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 Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association