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A Canadian peer-reviewed journal of population health and health services research
April 2015
Colorectal cancer incidence in the Aboriginal population of Ontario, 1998 to 2009
by Stephanie W. Young, E. Diane Nishri, Elisa Candido and Loraine D. Marrett
Colorectal cancer is the third most commonly diagnosed cancer, and the second leading cause of cancer death in Canada. Because Aboriginal identity or ancestry (ethnicity) is not routinely captured in cancer registries and mortality databases, little is known about colorectal cancer morbidity and mortality among Aboriginal people.
Prevalence and correlates of marijuana use in Canada, 2012
by Michelle Rotermann and Kellie Langlois
According to the 2012 Canadian Community Health Survey–Mental Health (CCHS–MH), 12.2% of Canadians aged 15 or older (3.4 million) used marijuana in the past year. In Canada, as in many other countries, marijuana is the most commonly used illicit drug. A dose-response relationship has been observed between the frequency of marijuana use during adolescence and reduced cognitive functioning, educational attainment, longer-term personal disadvantage, and marijuana dependence. Daily users are at the highest risk of experiencing negative outcomes. There is a growing consensus that marijuana use can harm developing adolescent brains. The association between marijuana use and mental illness is less clear. Estimation of the potential risks and the decision to use marijuana is further complicated because some countries, including Canada, allow marijuana to be authorized for medical purposes. Other research has suggested that an individual's perception of risk may be reduced in places with medical marijuana laws.
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