The risks of secondhand smoke Tommy's Hidden Dangers of Secondhand Vaping Emory Health Digest 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 Vaping before, during and after pregnancy: leaflets and infographics ASH Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition