A recent study led by a researcher from Rutgers Health reveals that historical, educational policies have long-lasting benefits for memory preservation and reduce the risk of dementia in later life. Published in Epidemiology, the research explores how variations in state-mandated schooling years correlate with cognitive performance outcomes decades later among residents.
The study’s lead author, Min Hee Kim, a faculty member at the Rutgers Institute for Health, Health Care Policy, and Aging Research, emphasises the long-term cognitive benefits of enhancing both the quantity and quality of education. The findings suggest that educational attainment serves as a reliable predictor of improved cognitive performance, better memory functions, increased life expectancy, and delayed onset of Alzheimer’s disease or dementia.
Despite established links between educational mandates and cognitive health in older adults, the study notes significant gaps in equitable research. For instance, earlier studies have often combined data from white and Black older adults without considering the uneven enforcement of educational policies for Black children in the United States.
During her tenure as a postdoctoral researcher at the University of California, San Francisco, from 2022 to 2024, Kim led a team that analysed data from over 20,000 older Black and white adults. Their investigation focused on evaluating state educational policies and their long-term effects on cognitive performance, including memory and verbal fluency, which are key indicators of dementia risk.
The research specifically examined the impact of educational policies on Black Americans, highlighting the inequalities faced by current generations of Black older adults who were educated in a system marred by racial segregation and discrimination. Despite these challenges, the study found that educational investments yield comparable cognitive benefits across racial groups in later life. However, the potential benefits of enhancing access to and quality of education are likely to be more substantial for Black Americans due to their historically limited access to educational resources.
Kim, now an assistant professor at the Rutgers School of Nursing, stresses the importance of investing in education for health equity. The study supports previous research indicating that individuals who grew up in states with high-quality educational systems are at a lower risk of developing dementia later in life. This underscores the crucial role of academic quality and accessibility in shaping long-term health outcomes across different demographic groups.
More information: Kim, Min Hee et al, State Schooling Policies and Cognitive Performance Trajectories: A Natural Experiment in a National US Cohort of Black and White Adults, Epidemiology. DOI: 10.1097/EDE.0000000000001799
Journal information: Epidemiology Provided by Rutgers University
