CPHI s mission is twofold: To foster a better understanding of factors that affect the health of individuals and communities; and To contribute to the development of policies that reduce inequities and improve the health and well-being of Canadians. [...] As a key actor in population health, CPHI: Provides analysis of Canadian and international population health evidence to inform policies that improve the health of Canadians; Commissions research and builds research partnerships to enhance understanding of research findings and to promote analysis of strategies that improve population health; Synthesizes evidence about policy experiences, an [...] We appreciate the ongoing efforts of researchers working in the field of population health to further our knowledge and understanding of the important issues surrounding health determinants and related health improvements. [...] The report reviews the latest research, presents new analyses of data* from the Canadian Community Health Survey (CCHS) and the National Longitudinal Survey of Children and Youth (NLSCY) and explores relevant policies and programs in six environments and settings: Chapter 2: Community and Physical Environment; Chapter 3: Workplace; Chapter 4: School; Chapter 5: Home and Family Environment; [...] It focuses on how these determinants are interrelated and associated with long- term health, explores health disparities and applies the resulting knowledge to developing and implementing policies and actions to improve the health and well-being of populations.15 18 Examples of how these factors are linked to healthy weights are reviewed in the following pages.