[13] Hanna spoke at MSU Rx in 2014, an event modeled after TEDx, where she shared a presentation titled “What do you want to be when you grow up?” which focused on questions and challenges common to healthcare professionals and teachers working in urban settings like Flint, MI.

[14][15] In 2015, Hanna led an effort to focus on “prevention and nutrition, along with care for children when they are sick” by moving the Hurley Children’s Clinic to be co-located atop the Flint Farmers’ Market where health professionals could “suggest fresh foods to purchase and guide [patients] through the process.”[16] She received Michigan State University’s William B. Weil, Jr., MD Endowed Distinguished Pediatric Faculty Award after being nominated by her peers in recognition "for many years showing outstanding professional and clinical service to the children of our State, to our medical students and Residents, to our Department, the College and the University.

[32][33] Later, at a press conference in which the State of Michigan acknowledged the lead-in-water crisis, Department of Environmental Quality officials apologized to Hanna.

[46][47] In July 2016, her research findings were confirmed in a Morbidity and Mortality Weekly Report published by the Center for Disease Control and Prevention (CDC) and is recognized as an underestimate of exposure.

[50] She has served as the principal investigator of the registry, which has grown into a congressionally-funded and CDC-supported public health program that helps provide long-term surveillance of and support to Flint water crisis victims.

[60] Anonymous Content optioned the book rights to make a movie, to be produced by Michael Sugar and Rosalie Swedlin, and written/directed by Cherien Dabis.

[63][64][65][66] In February 2020, Hanna testified before the U.S. House of Representatives Committee on Energy and Commerce Subcommittee on Environment and Climate Change that proposed revisions to the EPA’s Lead and Copper Rule were “minimalistic and insufficient” and that “the proposed revisions do not fix these underlying issues, and will not address the national public health crisis of lead in our drinking water delivery system swiftly enough.”[67] In July 2020, Hanna was named a C.S.

[69] In April 2021, Hanna testified before the U.S. House of Representatives’ Committee on Ways and Means to advocate for action related to the state of the nation’s drinking water infrastructure and the need to eliminate lead pipes.

[74] In April 2023, the Charles Stewart Mott Foundation awarded a grant to help Hanna lead Rx Kids, the first citywide program in the U.S. designed to address poverty as a root cause of health disparities through the provision of unconditional cash allowances to pregnant moms and babies in Flint, Michigan.