The Dangers of Secondhand Smoke: Protecting Yourself from Harmful Effects What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Can You Fail A Drug Test From Secondhand Smoke? The Sanctuary 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.