Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks Vaping while pregnant isn't harmlessstudy uncovers risks to newborn lung health How secondhand smoke, thirdhand smoke & vaping affects kids Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Second hand vape smoke linked to more asthma symptoms in kids 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.