Does Vaping Cause Secondhand Smoke? Is It Safe To Smoke A Vape Around A Pregnant Woman? E Cigarettes (Vapes) Smoking and Tobacco Use CDC Thirdhand Smoke Resource Center Protecting Californians Secondhand smoke and aerosol 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