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. Where Is Dr Casey? Secondhand Smoke Affects Your Child's Oral and Overall Health Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Kids and vaping: What every parent should know : Inside Children's Blog Akron Children's Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect