Dangers of drinking, smoking, vaping while pregnant UNM Health Blog Albuquerque, New Mexico Smoking and Pregnancy FAQs: Essential Answers for Moms to Be Study uncovers the hidden dangers of secondhand vape exposure to children Second hand smoke is highly toxic. Here's what happens when pregnant women and their babies are exposed to second hand smoke. Exposure to Thirdhand Smoke Harms the Health of Pregnant Women Thirdhand Smoke Resource Center