Should I Be Concerned About Secondhand Vaping? Vaping: Clearing the Air Baker Institute 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 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.