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Speaking to a conference on cannabis health research at McMaster University in Hamilton, ON, in mid-February, Wilson Compton, deputy director of the Washington-based National Institute on Drug Abuse, the world's largest funder of drug research, said Canada's push for cannabis legalisation is important for scientists and policy makers worldwide. Bloomberg/Getty Images The Canadian Cancer Society has warned that cannabis smoke contains many of the same carcinogens as tobacco smoke, Carignan added, and the Canadian Paediatric Society warns that cannabis use during adolescence was associated, in a major study, “with a six-fold increase in future ecstasy consumption”. Speaking at the McMaster gathering, CCSA senior policy analyst Rebecca Jesseman noted that because cannabis distribution in most of Canada's 13 provinces and territories will be handled by government-owned alcohol monopoly corporations that serve as massive government revenue earners, public health officials could find their concerns about cannabis marketing overlooked.

Speaking with The Lancet, Mercredi labelled the Canadian Government's current efforts to improve the social determinants of Indigenous health—which include projects to improve housing and drinking water quality alongside a campaign to reduce tuberculosis—as “band-aid solutions” that ignore the necessary economic remedies. A 2016 Canadian Human Rights Tribunal ruling arising from one such legal case found that the Canadian Government has for decades systematically refused to fund health and social programmes for Indigenous children at levels equal to those for non-Indigenous children. Miller's ministerial instruction letter, dated Dec 13, outlines plans to increase access to safe drinking water, and more generously fund child and youth services while investing in community infrastructure plans “including housing, all-weather roads, high-speed internet, health facilities, treatment centres and schools in First Nations, Inuit and Métis communities by 2030”.

Michael Bird and Thomas Wilson focus their attention directly on the voices of pupils, in dialogue with their teacher and with each other, as they draw inferences from differing sources about the Norman legacy in Chester. By carefully examining dialogue stimulated by these sources, Bird and Wilson demonstrate not only the role that prior knowledge plays in such interaction, shaping and constraining the understandings that can be developed, but also the critical role that the dialogue itself plays in shaping the knowledge that emerges collectively and for individuals.