The state is preparing to give away millions of dollars in grants for medical marijuana research, including to study whether marijuana helps ease the symptoms of psychological trauma in veterans.
While marijuana may not be hard to find, getting the first seeds for medical operations often involves either descending into the underground market or crossing state lines.
Sales of recreational marijuana in Colorado dropped for the first time in May after rising every month since stores opened in January.
CNN’s Dr. Sanjay Gupta made the treatment -- called “Charlotte’s Web" -- famous in his film “Weed.” But Colorado’s top public health doctor questions its safety.
Proportion of deadly accidents in which the driver tested positive for marijuana doubled between 1994 and 2011.
Cookies, candies, sodas: the universe of edible marijuana treats has exploded in recent years. But concern is growing that inexperienced users could be biting off more than they can chew.
Colorado’s medical marijuana shops posted huge gains in the last quarter as purchases of medical pot were up 47 percent.
- Recreational marijuana sales kicked off to long lines a month ago but shop owners are still confronted with an old and dangerous problem: they are shut out of the banking system.View interactive map