Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record The risks of vaping near babies and children are often underestimated, but they are very real. E cigarette vapour can affect developing lungs, increase the risk of respiratory problems and compromise overall Vaping may be causing irreversible harm to children's health, doctors say Vaping The Guardian Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC