Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn Nicotine or marijuana vaping exposure during pregnancy and altered immune responses in offspring Secondhand smoke and secondhand aerosol Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health Pregnancy and Secondhand Smoke journeyworks.com Frontiers Publishing Partnerships Prenatal nicotine exposure during pregnancy results in adverse neurodevelopmental alterations and neurobehavioral deficits