E Cigarettes & Vaping: Facts for Parents HealthyChildren.org Are parents realistic about whether their child is vaping? National Poll on Children's Health How can I protect my child from thirdhand smoke in cars? Thirdhand Smoke Resource Center Vaping: Safer than cigarettes or a new health crisis? Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN