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. Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Bringing back evidence based Thursdays Secondhand vaping isn't harmless and the evidence is growing. A recent article from Medical News Today highlights what many of us in healthcare are already seeing: Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC