Adverse childhood experiences predict functional disability in older adults through two distinct pathways: increased depressive symptoms and reduced cognitive function. This longitudinal evidence from over a decade of follow-up demonstrates that early-life adversity creates measurable constraints on physical capability decades later, independent of current socioeconomic status.
Key Points
- ACEs increase functional disability risk via depression and cognitive decline
- Effects persist across 9-year follow-up in community-dwelling populations
- Depressive symptoms mediate stronger effect than cognitive function alone
Longevity Analysis
Early adversity reshapes the trajectory of aging by altering how the nervous system and emotional regulation develop, creating persistent vulnerability in later life. The dual mechanism—through mood dysregulation and cognitive capacity—reflects how foundational stress response patterns established in childhood constrain the body's ability to maintain physical independence. This suggests interventions targeting depression and cognitive reserve in midlife may interrupt a causal chain that would otherwise manifest as disability in the eighth and ninth decades. Rather than treating late-life functional decline as inevitable, this work identifies a tractable upstream point: managing emotional and cognitive health in people with adverse histories may preserve the physical capability that defines successful aging.
Original published by SAGE Research on Aging, by Qinqin Liu, Yu Luo, Zefeng Liu, Wei Zhang1School of Nursing, 12521Naval Medical University, Shanghai, China2Changhai Hospital of Shanghai, 12521Naval Medical University, Shanghai, China3Ministry of Education, 12521Key Laboratory of Geriatric Long-term Care (Naval Medical University), Shanghai, China4School of Basic Medical Science, 12521Naval Medical University, Shanghai, China.