Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center Thirdhand Smoke Resource Center Protecting Californians Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn 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. Does Vaping Cause Secondhand Smoke? Vaping Zero Nicotine While Pregnant New Directions for Women