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.

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:

More from our Marijuana archive: "4/20 in Boulder preview: 'An orgasm of cannabis consumption.'"

We use cookies to collect and analyze information on site performance and usage, and to enhance and customize content and advertisements. By clicking 'X' or continuing to use the site, you agree to allow cookies to be placed. To find out more, visit our cookies policy and our privacy policy.


All-access pass to the top stories, events and offers around town.

  • Top Stories


All-access pass to top stories, events and offers around town.

Sign Up >

No Thanks!

Remind Me Later >