A Colorado study of 5 year trends in pot use found 19% of high school students have used it in the oast month. It is almost same percentage reported in a nation

A Colorado study of 5 year trends in pot use found 19% of high school students have used it in the oast month. It is almost same percentage reported in a national survey. The Colorado number was based 47K respondents. http://cdpsdocs.state.co.us/ors/docs/reports/2018-SB-13-283_report.pdf http://cdpsdocs.state.co.us/ors/docs/reports/2018-SB-13-283_... P.S. Pot use under age 21 is not legal in Colorado.