To investigate the real-world effects of marijuana researchers need a product that looks and feels like the real thing. And they're increasingly frustrated with government weed that is something else entirely.

If you're a researcher looking to work with marijuana — to say, investigate how it impairs people, or how it could help people suffering from certain ailments — you don't have access to the weed that everyone else is using.

Since the late 1960s the federal government has mandated that all marijuana used in research has to come through the federal government.

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Christopher Ingraham and Tauhid Chappell ~ Washingtonpost.com ~