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 0 Nicotine While Pregnant Restored CDC E Cigarettes (Vapes) Smoking and Tobacco Use CDC Secondhand exposure to tobacco products in pregnancy Hypertension Research Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn