Five things to know about youth nicotine use Stanford Report Nicotine products in any form, whether from cigarettes, vaping or chewing tobacco, pass into a mother's bloodstream and through the placenta to the growing baby. Quitting nicotine is hard for many people, Tobacco and nicotine poisoning Poison Control Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition Does Vaping Produce Smoke or Vapor? Ecigator The Hidden Dangers of Vaping on Teeth and Gums