Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Stop Blowing Vape Smoke On My Baby Smoking and vaping during pregnancy can be harmful to your unborn baby. The chemicals in cigarettes and vapes can damage your baby's developing brain and Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Breastfeeding moms using tobacco or e cigarettes can pass harmful chemicals to their babies. Dont smoke or vape to ensure the healthiest start for your baby. Learn more at https: www.cdc.gov breastfeeding special circumstances hcp vaccine medication Is vaping around babies safe? Netmums Tobacco Smoke, Vaping, and Asthma AAFA.org