"Last June, eight new Harvard-affiliated researchers revisited the study, using new technologies and innovations in statistical analysis and examining Medicare data—the largest and most public dataset available documenting the health of U.S. citizens—thus presumably averting renewed charges of secret science (an issue raised anew by current EPA administrator Scott Pruitt). Their findings breathe new life into the main conclusion of the original Six Cities research: that fine-particulate matter, even in concentrations below the current national standards, drives up mortality rates across the country." - Harvard Magazine, July/August 2018

Read more at Harvard Magazine and the HCSPH website.