This commentary discusses the importance of the Pan-Canadian Public Health Network in facilitating the coordination and infrastructure of Canada's public health system. Within Canada, effective intervention practice and research is at the forefront of public health, but there are questions regarding how best to conduct population health intervention research, how to put the evidence into practi...

Natural experimental studies are often recommended as a way of understanding the health impact of policies and other large scale interventions. Although they have certain advantages over planned experiments, and may be the only option when it is impossible to manipulate exposure to the intervention, natural experimental studies are more susceptible to bias. This paper introduces new guidance fr...