How does marijuana affect driving? Can one learn to drive safely while high? Are there reliable tests for detecting marijuana-impaired driving? How accurate are simulator tests of people driving under the influence of marijuana? Why do marijuana users tend to think they’re driving worse than they actually are? Has marijuana legalization resulted in more motor vehicle accidents and deaths? How are laws changing in this area? No one is more knowledgeable or thoughtful about these questions than Paul Armentano, NORML’s expert on all things marijuana for almost thirty years.

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