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. Is Second Hand Vape Smoke Harmful To Children Where You Learn Smoke Free Environments Is Second Hand Vape Smoke Harmful To Children Secondhand smoke and secondhand aerosol Secondhand smoke and vape can trigger your child's asthma attacks. Smoking and vaping are unhealthy for everyone but especially harmful for people with asthma. Whether at home, in the car, or E Cigarettes and Pregnancy Maternal Infant Health CDC