Using marijuana raises the risk of car crashes, cancer, and mental illness, a state-appointed committee found.
The Colorado State Patrol reports that 674 drivers received marijuana citations in 2014.
Making pot legal for adults means teens will be more likely to use it too, say pediatricians. And while they're concerned about health effects, they say there are better ways to deter usage than jail.
Nebraska and Oklahoma are suing Colorado over Amendment 64, and NPR reporter Kirk Siegler got curious: How much Colorado weed is actually making it across the borders of neighboring states? Cops there say--a lot. But there are few numbers hard numbers to back up that claim.
The governor says the conflict between the Taxpayer's Bill of Rights and requirements to fund education the biggest challenge facing Colorado.
Some prosecutors have been charging individual hash oil creators with felonies while others have not pursued criminal charges at all.
Millions of dollars have poured in as tourists from around the world have come to get high in Denver.