Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me 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 Vaping vs. Smoking: Is One Really Safer Than the Other?