Societal inequality linked to reduced brain health in aging and dementia
Peer-Reviewed Publication
Updates every hour. Last Updated: 26-Jun-2025 13:10 ET (26-Jun-2025 17:10 GMT/UTC)
Researchers from Trinity College Dublin have collaborated with international partners to explore if societal inequality affects our brain. Their research paper is published in Nature Aging today, Friday, December 27, by an international team of researchers from the Multipartner Consortium to expand dementia research in Latin America (ReDLat), the Latin American Brain Health Institute (BrainLat), the GIobal Brain Health Institute (GBHI) at Trinity College Dublin, and other centres across the globe. The study reveals a direct link between structural inequality—such as socioeconomic disparities measured by a country-level index (GINI)—and changes in brain structure and connectivity associated with aging and dementia.
The study also sheds light on how societal inequities become biologically embedded, particularly in underrepresented populations across Latin America and the United States.
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