While vaping is not risk free, it is less harmful than tobacco Our World in Data Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association 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.