Hampton Sides profiles several scientists who are taking a serious look at marijuana through advanced research.
The Marijuana Enforcement Division says any dispensary using these transport services may be putting their license in jeopardy.
The bill directs state health authorities to set new guidelines for doctors who recommend pot for "severe pain."
Citing concerns for safety, Perlmutter pursues legislation and meetings to create a stable banking system for marijuana businesses.
Under the policy, doctors who write more than 3,500 recommendations for pot in a year will be referred to the Heath Board for discipline.
The University of Colorado Boulder campus will be open to visitors Monday, after officials say they've ended the annual 4/20 marijuana celebration.
The measure was prompted by a rash of explosions and injuries resulting from amateur hash oil production.
The publisher of the Colorado Springs Gazette says the vast majority of letters it received on the series questioning legal pot were positive. So why are some critics and journalists so critical?