If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. 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 Smoke an E Cigarette: A Simple Guide to Vaping How to Properly Store E Liquids and Prevent Accidental Exposure of E Liquids to Children FDA