Dangers of Smoking During Pregnancy Explained by Expert Midwife Tobacco and Pregnancy One Pager V2 Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Vaping University Hospitals Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center