LED lights cast a vibrant hue in the flower rooms at 3D Denver Discreet Dispensary. (Denver Post file) Teen pot use: Colorado leads U.S., but state’s youth use remains unchanged Published: Dec 21, 2015, 6:17 pm • Updated: Mar 23, 2018, 4:17 pm By Ricardo Baca, The Cannabist Staff Mobile users: View the SAMHSA marijuana report SAMHSA marijuana report: Charts of interest are on Pages 4 and 9 SAMHSA report on adolescent marijuana use 2013 2014 (PDF) SAMHSA report on adolescent marijuana use 2013 2014 (Text) Previous 1 2