This episode is an audio version of a two-part video interview conducted by the Journal's editor in chief, Dr Audiey Kao, with Dr Nancy Krieger. Dr Krieger is a Professor of Social Epidemiology in the Department of Social and Behavioral Sciences at the Harvard T.H. Chan School of Public Health. She joined us to talk about the population health impacts of historical injustices and structural racism. To watch the full video interviews, head to our site, JournalOfEthics.org, or visit our YouTube channel.