What Chemicals Are Present in Secondhand Vape Emissions? A new study from The Ohio State University found that vaping during pregnancy, even without nicotine, can change a baby's skull and face shape. Researchers exposed pregnant mice to common vape liquids 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 Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC How secondhand smoke, thirdhand smoke & vaping affects kids Secondhand Vape Exposure: Effects, Who's at Risk, and More