Researchers at University College London (UCL) have found evidence suggesting that long-term financial difficulties can have lasting effects on brain health. A recent study indicates that individuals enduring prolonged financial stress may experience faster brain aging and reduced memory and thinking abilities as they age.
The study, published in Innovation in Aging, involved 2,759 participants born in the U.K. in 1946. Over several decades, researchers observed that those who encountered persistent financial challenges during early and middle adulthood displayed poorer cognitive performance at age 53 compared to those with lesser financial strain.
Dr. Jacques Wels, from UCL’s Unit for Lifelong Health & Ageing, emphasized the broader societal implications of brain health. “The key message of the study is that brain health is not only a matter of individual trajectories; it is also about how a society shapes people’s lives and experiences,” he stated.
Financial Struggles Leave a Lasting Mark
A Capital One and The Decision Lab survey showed that 77% of Americans feel anxious about their finances. This anxiety affects various life aspects, with 43% reporting fatigue, 42% struggling at work, and 41% having sleep issues.
The study suggests that the effects of ongoing financial hardship could extend beyond daily stress. Unlike studies that examine financial difficulties at a single point, this research used decades of data to highlight that enduring hardship over years correlates with poorer cognitive outcomes.
Brain scans in later years revealed concerning patterns. Participants experiencing long-standing financial adversity exhibited more signs of poor brain health, including significant brain shrinkage, between ages 69 and 71. This connection persisted even after adjusting for factors like childhood intelligence and education.
Exploring the Impact of Financial Hardship on the Brain
The study found the link between financial difficulties and brain health was particularly strong among men, those with childhood disadvantages, and individuals carrying the APOE-ε4 gene variant, linked to higher Alzheimer’s risk. Men facing prolonged financial strain underperformed in cognitive tests compared to women with similar experiences.
Researchers believe financially disadvantaged men were more prone to unhealthy behaviors such as smoking and heavy drinking, and suffered more stress as primary earners. According to Wels, financial stress could cause unhealthy behaviors, which then reinforce each other.
The study proposed several explanations for the observed impacts. Chronic stress, a known factor in faster brain aging, and the mental toll of constant financial worry, could diminish cognitive capacity.
Could Addressing Poverty Help Prevent Dementia?
Senior author Professor Praveetha Patalay highlighted the potential benefits of alleviating poverty. “Our findings suggest that supporting people facing financial hardship and reducing chronic poverty could also help prevent cognitive decline and dementia cases in the future,” she explained.
The research points to the value of policies aimed at reducing long-term financial hardship, potentially improving not just economic outcomes but cognitive health as well.
For more details on the study, refer to Yiwen Liu et al., “Persistent financial adversity and cognitive aging: a life course investigation,” Innovation in Aging, Volume 10, Issue 8, 2026, https://doi.org/10.1093/geroni/igag054.