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Support effort to learn more about impact of cannabis, researchers urge Ottawa

In an open letter, more than 50 researchers from across the country said policy-makers should support efforts to learn more about how marijuana affects its users, adding cannabis research has been limited by the long-standing criminalization of the drug.

“As a result, substantial knowledge gaps remain related to the potential consequences of legalized cannabis use,” the letter said.

Those who signed the letter include Dr. Mark Ware, an assistant professor at McGill University who served as vice-chair on a federally appointed task force on marijuana.

Canada is uniquely positioned to develop and deliver the research that should accompany legalized cannabis, Ware said.

“There is tremendous expertise and interest across the country that is poised to engage and inform this important policy implementation,” Ware said in a statement.

More than 100 million people in Canada and the United States will have legal access to cannabis, added Dr. M-J Milloy, an assistant professor at the University of British Columbia’s school of medicine.

“As scientists, we need to closely monitor the creation of the promised public health framework for legal cannabis and evaluate how it mitigates the harms and maximizes the possible benefits of cannabis.”

In April, the Liberal government tabled legislation proposing to legalize and regulate the recreational use of cannabis for adults over the age of 18.

Once passed, it would make Canada the first G7 country where the use of marijuana is legal.