Vaping Cannabis Produces Stronger Effects Than Smoking Cannabis For Infrequent Users Johns Hopkins Medicine Student in possession of vaping devices containing THC at Henry E. Lackey High School: On January 22, a school administrator at Henry E. Lackey High School discovered a student was in possession Dank Vapes, TKO and Other THC Vaping Brands Are Linked to Illnesses, C.D.C. Says The New York Times Vapes FRANK Juul vape: What is it, why are teens addicted, and is it safe? CNET Juul: The rise of a $38bn e cigarette phenomenon