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The article discusses the relationship between mortality rates and income in the U.S., referencing a study conducted by social scientists Janet Currie and Hannes Schwandt published in the journal "Science." The increase in life expectancy among poor people in the U.S., including the role that decreasing smoking rates plays in health improvements, is discussed. Decreases in mortality rates among middle-aged white Americans are also discussed.

The article discusses chronic non-infectious diseases among the poor slum-dwellers in Kenya, including the impact of diet on health and Kenyans' non-infectious diseases of asthma, hypertension, heart disease and diabetes.

The article discusses xenophobia in South Africa, focusing on the murder of and violence against poor immigrants. Topics include the deployment of soldiers various centers of violence around Johannesburg, South Africa; the failure to prosecute or convict perpetrators of violence against foreigners or their businesses; anger among South African poor about unemployment and lack of opportunities.

The article focuses on the impact of gentrification on the poor in Washington, D.C. in 2015. Topics include the number of black residents that have left urban centers between 1990 and 2010, the use of rent control regulations in metropolitan areas, and if minorities are disproportionately displaced by gentrification.