Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me 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.