A brief history of medical marijuana (INFOGRAPHIC)

No need to explain 4/20 in these parts, what with medical marijuana continuing to be such a hot topic in Colorado. Some politicians are all for it, others say we don't need it, and all the while, pot makes news daily...

By Nick Lucchesi

April 14, 2011

[
        {
          "name": "Air - MediumRectangle - Inline Content - Mobile Display Size",
          "component": "12017618",
          "insertPoint": "2",
          "requiredCountToDisplay": "2"
        },{
          "name": "Editor Picks",
          "component": "17242653",
          "insertPoint": "4",
          "requiredCountToDisplay": "1"
        },{
          "name": "Inline Links",
          "component": "18838239",
          "insertPoint": "8th",
          "startingPoint": 8,
          "requiredCountToDisplay": "7",
          "maxInsertions": 25
        },{
          "name": "Air - MediumRectangle - Combo - Inline Content",
          "component": "17261320",
          "insertPoint": "8th",
          "startingPoint": 8,
          "requiredCountToDisplay": "7",
          "maxInsertions": 25
        },{
          "name": "Inline Links",
          "component": "18838239",
          "insertPoint": "8th",
          "startingPoint": 12,
          "requiredCountToDisplay": "11",
          "maxInsertions": 25
        },{
          "name": "Air - Leaderboard Tower - Combo - Inline Content",
          "component": "17261321",
          "insertPoint": "8th",
          "startingPoint": 12,
          "requiredCountToDisplay": "11",
          "maxInsertions": 25
        }
      ]

No need to explain 4/20 in these parts, what with medical marijuana continuing to be such a hot topic in Colorado. Some politicians are all for it, others say we don't need it, and all the while, pot makes news daily.

The potent mix of politics, business and medicine is a recipe for a short memory, which is why we've put together, just in time for April 20, this brief history of medical marijuana usage in information-graphic form. Research by Cory Lamz and art by Jay Vollmar. Be an informed toker:

Download a PDF version of this infographic.

KEEP WESTWORD FREE... Since we started Westword, it has been defined as the free, independent voice of Denver, and we'd like to keep it that way. Your membership allows us to continue offering readers access to our incisive coverage of local news, food, and culture with no paywalls. You can support us by joining as a member for as little as $1.