The author explores the role of social and economic injustices as root causes of the uneven distribution of disease across population groups according to class, race and gender. There is a strong relation between social and economic inequities and health inequities and the author shows how to develop a framework to understand social and economic policies that would improve the health status of all segments of society. The book explores the global public health issues, processes for influencing policy, and the skills to effectively advocate for health and social justice.