E cigarette taxation, pre pregnancy and pre natal smoking, and birth outcomes CEPR Frontiers Publishing Partnerships Prenatal nicotine exposure during pregnancy results in adverse neurodevelopmental alterations and neurobehavioral deficits E cigarettes help pregnant smokers quit without risk to pregnancy Nursing in Practice FMD E cigarettes help pregnant smokers quit without risks to pregnancy Queen Mary University of London Quitting and pregnancy Pregnant parents told vaping doesn't harm unborn babies The Independent