Financial Strain May Accelerate Brain Aging, New Study Suggests
A recent study indicates that adults who experienced prolonged financial hardship may face accelerated brain aging and diminished cognitive function later in life. The research, conducted by scientists at University College London, examined data from 2,759 participants in the U.K.’s National Survey of Health and Development, all born in 1946.
Cognitive Performance and Financial Adversity
The findings revealed a correlation between persistent low income and poorer performance on cognitive assessments. Specifically, individuals who reported ongoing financial struggles scored lower on tests measuring verbal memory and the speed at which they could process information. These cognitive declines were observed even after accounting for various other factors that might influence brain health.
Brain Health Markers and MRI Scans
Beyond cognitive tests, the study also utilized MRI scans to evaluate brain health. Participants with a history of sustained low income exhibited less favorable brain health indicators. These included markers associated with aging, such as a reduction in brain volume (shrinkage) and enlarged ventricles, which are fluid-filled spaces within the brain.
Understanding the Lifelong Impact
Dr. Jacques Wels, a lead author from UCL’s Unit for Lifelong Health & Ageing, highlighted the study’s contribution to understanding the long-term effects of financial stress. “While we know well that cognitive decline is associated with both genetic risks and adverse childhood experiences, we knew very little about what happens during the life course, particularly the experience of persistent financial stress over the lifetime,” Dr. Wels explained. “The study clearly demonstrates that the accumulation of poverty is linked to cognitive decline. We used different measures of lifecourse financial adversity and different measures of cognitive decline, and they all show the same results, which makes the results solid.”
Factors Influencing the Association
The study identified certain groups for whom the association between financial hardship and poorer cognitive outcomes was particularly pronounced:
