Chemicals Secondhand Vape Exposure: Effects, Who's at Risk, and More Nicotine or marijuana vaping exposure during pregnancy and altered immune responses in offspring Is vaping safer than smoking in pregnancy? Short answer: No. #YQ2Q #YouQuitTwoQuit #NoSmoking #NoVaping #Pregnancy Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center