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.'"































