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Available for over a year

Students at a University in Canada can now sign up for this course. In Canada the use of marijuana for medical purposes has been legal since 2013. Last year companies selling the drug were allowed to float on the country's stock exchange. So is medical marijuana the new bubble? Tegan Adams is the course instructor and has been telling Julian Keane about what she calls "the gold rush of our generation". (Picture: A Canadian flag with a marijuana leaf flies during a rally in support of legalizing marijuana on June 5, 2004 alongside Parliament Hill In Ottawa, Canada; Credit: Donald Weber/Getty Images)