Medical marijuana provides relief, while cannabis research catches up02:16
More people are using cannabis for pain relief, which could help with the opioid epidemic, but government restrictions are hampering research. NBC's Erika Edwards reports.
Denver rallies to decriminalize psychedelic mushrooms02:00
Legal weed could force 20 percent of police dogs into retirement01:38
First East Coast recreational marijuana retail stores to open tomorrow01:28
Canada now world’s largest legal marijuana marketplace01:23
Canada legalizes recreational pot: What US tourists should know02:53
More baby boomers are turning to marijuana05:00