Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Should I Be Concerned About Secondhand Vaping? Raspberry Watermelon Nic Salt E Liquid by Elux Legend Second Hand Vape Smoke Pregnancy Pregnant parents told vaping doesn't harm unborn babies In the United States, about 8% of all women who are pregnant smoke cigarettes, and another roughly 4% report using electronic cigarettes or vapes. To learn more about the dangers of smoking