How has decriminalization of marijuana in the States of Colorado and Washington affected public health and safety?

Two recent reports published by the Colorado Department of Public Safety and the Washington State Northwest High-Intensity Drug Trafficking Area are now available.

Key findings of the Colorado Report include:

  • Among those 18 to 25 years old, marijuana usage has increased from 21% in 2006 to 31% in 2014.
  • Among those 26 or older, marijuana usage has increased from 5% in 2006 to 12% in 2014.
  • 33% of marijuana users who have reported marijuana use in the past 30 days have used daily.
  • Marijuana-related arrests have decreased by 46% between 2012 and 2014, while possession arrests were cut in half and sales arrests have decreased by 24%.
  • The trend for high school students ever using marijuana has declined from 42.4% in 2005 to 36.9% in 2013. The percentage of high school students currently using marijuana has decreased from 22.7% to 19.7% over the same period. Youth use in Colorado remains above the national average.
  • Marijuana-related hospitalizations have increased from a rate of 803 per 100,000 pre-commercialization to 2,413 per 100,000 post-commercialization.
  • The period of retail commercialization showed a significant increase in emergency department visits, from 739 per 100,000 (2010-2013) to 956 per 100,000 emergency department visits (2014-June 2015).
  • The prevalence of marijuana as the impairing substance in cases of Driving Under the Influence (DUIs) has increased from 12% in 2014 to 15% in 2014, although the total number of marijuana-related DUIs decreased slightly.
  • In the 2014 to 2015 school year, school-based discipline for drugs accounted for 41% of all expulsions, 31% of all law enforcement referrals, and 6% of all suspensions in Colorado.

See the Colorado state report (PDF) and the Washington State report (PDF).

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1. Isn’t marijuana illegal under federal law? If so, how can Oregon legalize it?
2. How has decriminalization of marijuana in the States of Colorado and Washington affected public health and safety?
3. What does the OLCC regulate?
4. How are these businesses defined?
5. Can the City Commission use home rule authority and vote to re-criminalize marijuana within our city?
6. What about taxes?
7. Why is Oregon City considering legalization of marijuana businesses?
8. I don't live in Oregon City - where should I find out information?
9. What authority does Oregon City have to regulate recreational marijuana?
10. Does state law place any restrictions on where marijuana businesses can locate?
11. I have heard that cities can impose “reasonable restrictions” on medical and recreational marijuana businesses. What does that mean?
12. What about the appearance of these businesses, such as design, signs, etc.
13. What about the appearance of these businesses, such as design, signs, etc.