Vaping weed is popular, but there are many unknowns about its safety : NPR Juul Wikipedia Student in Possession of Three Vaping Devices Containing THC: On November 24, a school administrator at Henry E. Lackey High School became aware of a student in possession of a vaping device. Study finds cannabis vaping more harmful than nicotine vaping Students at two high schools in possession of vaping devices containing THC: On September 16, a school administrator at Thomas Stone High School observed a transaction involving vaping devices inside the school.