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. Flyer: Vaping During and After Pregnancy Central District Health Busting the Myths About Smoking and Vaping During Pregnancy Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice