Worsening financial well-being in midlife and later life—particularly when it declines over time—is linked to poorer memory performance and a faster pace of cognitive decline, according to new research from Columbia University’s Mailman School of Public Health. Individuals who experienced the most pronounced financial deterioration showed levels of memory decline comparable to ageing an additional five months each year. The findings highlight how economic circumstances may play a meaningful role in shaping cognitive health as people grow older.
This study is among the first to explore the cognitive implications of financial well-being as a multidimensional construct rather than relying solely on income or wealth. Published in the American Journal of Epidemiology, the research demonstrates that both persistently low financial well-being and worsening financial conditions are associated with lower memory scores and more rapid decline over time. These relationships were especially pronounced among adults aged 65 and older and remained consistent across a range of analytical tests designed to address potential bias, including reverse causation and participant dropout.
The researchers suggest that financial well-being represents an important and emerging economic determinant of health, particularly in relation to cognitive ageing. Prolonged financial strain may tax mental capacity, limiting the cognitive resources available for everyday functioning and long-term brain health. Over time, this sustained pressure could contribute to measurable declines in memory and other cognitive abilities, underscoring the broader impact of financial stress beyond material hardship.
To investigate these associations, the study analysed data from 7,676 adults aged 50 and above who participated in the Health and Retirement Study between 2010 and 2020. The research examined both average financial well-being and changes over a four-year period, linking these measures to memory performance in the following years. This longitudinal approach allowed the team to assess not only static financial conditions but also the effects of financial trajectories over time.
A key feature of the study was the development of an eight-item financial well-being index derived from existing survey data. This index captured both psychosocial and material dimensions of financial strain, including dissatisfaction with financial status, stress, difficulty paying bills, low income, and limited access to essential needs. The measure was validated against the Consumer Financial Protection Bureau’s Financial Well-Being Scale, lending credibility to its ability to reflect real-world financial experiences. Notably, each one-point decline in financial well-being was associated with worse memory outcomes and faster decline, whereas improvements in financial circumstances did not consistently translate into cognitive gains.
The findings suggest that older adults may be particularly vulnerable to the cognitive effects of financial instability, given their limited opportunities to recover financially and their reliance on fixed incomes such as pensions or social benefits. Financial strain may influence cognitive health through several pathways, including chronic stress, reduced access to healthcare and nutritious food, and diminished opportunities for social engagement. These results point to potential policy implications, indicating that financial support measures in later life could help protect cognitive function and potentially reduce the risk of dementia. Overall, the study reinforces the idea that declining financial well-being may play a significant role in accelerating cognitive ageing.
More information: Katrina L Kezios et al, Changes in financial well-being and memory function and decline in middle-aged and older adults, American Journal of Epidemiology. DOI: 10.1093/aje/kwag054
Journal information: American Journal of Epidemiology Provided by Columbia University’s Mailman School of Public Health
