Don't smoke or use nicotine during pregnancy or after your baby is born. Safe Sleep NC Second hand smoke is highly toxic. Here's what happens when pregnant women and their babies are exposed to second hand smoke. Health experts say not to 'vape' around children, because the secondhand aerosol (it isn't vapor) from e cigs isn't safe for them Kentucky Health News Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Vape Smoke 220w Risk From Second Hand Smoke On Children Greater Than Previously Thought Second Hand Smoking From Vaping