Study finds cannabis vaping more harmful than nicotine vaping Is Juul the new big tobacco? Wave of lawsuits signal familiar problems Smoking The Guardian JUUL: Side effects and health risks Juul Paid Medical Journal to Run Pro Vaping Studies Respiratory Therapy 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.