Vaping During Pregnancy: Are e Cigarettes Safe for Baby? If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Vapes drive rise in calls to poison hotline from parents of children exposed to nicotine ABC News Vaping in pregnancy is harmful for babies and mothers: study Folio Kids and vaping: What every parent should know : Inside Children's Blog Akron Children's Weed, vapes, and small children: parenting advice from Care and Feeding.