Watch: Colorado Celebrates 3 Years Of Legalization

It's not yet a national holiday, but in terms of the effect it had on cannabis policy and changes that have rolled out across North America since, this is an anniversary worth taking a moment to note. It was on this day in 2012 that voters in Colorado and Washington voted to legalize marijuana.

Here's how 7 News in Denver reported on that day.

Banner Image by Flickr User Tomasz Stasiuk

h/t 7 News Denver

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Past research has suggested that medical marijuana might have the ability to slow the growth of cancerous tumors. Now, new research suggests that cannabis could also help kill certain cancer cells. brings us a little closer to understanding how to maximize this potential.

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