The purpose of the Center for Medicinal Cannabis Research is to coordinate rigorous scientific studies to assess the safety and efficacy of cannabis and cannabis compounds for treating medical conditions.


Pot has some medical benefits, U.S. Academies say, but obstacles to research loom

Greg Miller, Science Magazine, January 12, 2017

There is “conclusive or substantial evidence” that marijuana or related compounds can effectively treat chronic pain, nausea caused by chemotherapy treatment for cancer, and spasticity caused by multiple sclerosis, according to a report published today by the National Academies of Sciences, Engineering, and Medicine. The report urges more research on both the benefits and risks of marijuana, but notes that researchers who want to study the drug face significant obstacles.

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No Widely Accepted Way To Test Marijuana Impairment In Drivers

Martha Bebinger, WBUR, Massachusetts, December 13, 2016

The recreational marijuana law that takes effect Thursday does not mention driving under the influence. It's one area where State House leaders say they expect to add some requirements next year.

But deciding what to require may be difficult, because there’s no established way to tell when a driver is impaired by marijuana.

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With legal pot comes a problem: How do we weed out impaired drivers?

Igor Grant, The Conversation, November 16, 2016

On Nov. 8 voters in California, Maine, Massachusetts and Nevada approved ballot measures to legalize recreational cannabis. It is now legal in a total of eight states. And this creates potential problems for road safety. How do we determine who’s impaired and who’s not?

The effects of alcohol vary based on a person’s size and weight, metabolism rate, related food intake and the type and amount of beverage consumed. Even so, alcohol consumption produces fairly straightforward results: The more you drink, the worse you drive. Factors like body size and drinking experience can shift the correlation slightly, but the relationship is still pretty linear, enough to be able to confidently develop a blood alcohol content scale for legally determining drunk driving. Not so with marijuana.

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More News

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Igor Grant, MD

American Psychological Association Plenary Address: Marijuana as Medicine: Can we see past the smoke?
Denver, CO (August 2016)

Barth Wilsey, MD

Marijuana and Cannabinoids: A Neuroscience Research Summit;
Bethesda, MD (March 2016)


Igor Grant, MD, FRCP(C) American Association for the Advancement of Science Annual Meeting

McGill University Health Centre - Research Institute
(February 2015)

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