A new study from The Ohio State University found that vaping during pregnancy, even without nicotine, can change a baby's skull and face shape. Researchers exposed pregnant mice to common vape liquids Kick It California Pregnant Parents Vaping in pregnancy Essential Parent Second hand smoke is highly toxic. Here's what happens when pregnant women and their babies are exposed to second hand smoke. Thirdhand Smoke Resource Center Protecting Californians Tobacco and secondhand smoke: Effects on pregnancy