Vaping may be causing irreversible harm to children's health, doctors say Vaping The Guardian How Many Days Does A Juul Pod Last Harvard researchers discover toxin in Juul pods that can cause longterm lung damage Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes. The Dangers of Vaping and Second Hand Smoke to Children