University of Michigan study links food insecurity to dementia risk

New research from the University of Michigan indicates a significant link between food insecurity and an increased risk of dementia in older adults. The study, published in The American Journal of Clinical Nutrition, utilized longitudinal data from the Panel Study of Income Dynamics to track 2,051 adults over several decades.

The findings suggest that the timing of food insecurity is a critical factor. Individuals who experienced food insecurity during both midlife (1999–2003) and later life (2015–2019) faced a substantially higher probability of probable dementia compared to those who remained food secure. Specifically, those experiencing insecurity in both periods had nearly four times the risk.

Researchers noted that while food insecurity in midlife alone did not show a significant association with dementia, the cumulative effect of nutritional instability across the life course appears to impact long-term cognitive health. Food insecurity, defined by limited or uncertain access to nutritious food due to financial constraints, is increasingly viewed by scientists as a factor that influences physical health, mental well-being, and chronic disease management.