/tags/behavorial-risk-factor-surveillance-system Behavorial Risk Factor Surveillance System en-US Copyright 皇冠网址/Community Radio for Northern Colorado 2020 Fri, 20 Jul 2018 15:50:02 GMT /health/2018-07-20/marijuana-use-in-colorado-youth-unchanged-adult-use-ticks-up Since Colorado voters legalized recreational marijuana use in 2012, the state Department of Public Health and Environment has been studying pot use in鈥� Fri, 20 Jul 2018 15:50:02 GMT /health/2018-07-20/marijuana-use-in-colorado-youth-unchanged-adult-use-ticks-up Desmond O'Boyle