Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center Second hand smoke poses significant risks not only to adults but also to unborn babies. Eliminating exposure to second hand smoke during pregnancy is essential for the health of both mother and child, as Vape Residue May Harm Unborn Babies' Immune Systems Respiratory Therapy Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC 2nd Hand Vape Smoke And Pregnancy The risks of secondhand smoke A smoke free and vape free environment during and after pregnancy is essential for your baby's safety. Learn more at SNHD.INFO SUID.