Cardiovascular Influence on Cognitive Function in Aging Adults
Summary
The interplay between cardiovascular health and cognitive performance in later life has emerged as a pivotal focus in ageing research. Vascular integrity, cardiac output and metabolic regulation collectively shape cerebral perfusion, neurovascular coupling and the clearance of metabolic waste. Compromised blood pressure control, dyslipidaemia and glucose intolerance can accelerate white-matter hyperintensities, microvascular injury and hippocampal atrophy, thereby undermining memory, executive function and processing speed. Conversely, optimal cardiovascular profiles support endothelial function, maintain cerebral autoregulation and preserve synaptic plasticity. Age-related alterations in arterial stiffness and cardiac efficiency further magnify the risk of mild cognitive impairment and dementia. Importantly, midlife interventions aimed at smoking cessation, physical activity enhancement and dietary optimisation confer long-term neurocognitive benefits. This field now integrates multimorbidity patterns, longitudinal risk trajectories and genetic predispositions to delineate individual paths towards cognitive resilience or decline. The global burden of dementia underscores the need for preventive strategies that embrace cardiovascular risk management and promote healthy ageing.
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A large prospective cohort study in older adults constructed a cardiometabolic multimorbidity index—encompassing stroke, diabetes and myocardial infarction—and demonstrated that individuals with two or more conditions faced a substantially higher risk of incident dementia than those with elevated genetic risk alone. Brain imaging revealed marked reductions in hippocampal and total grey matter volumes among participants with high multimorbidity, indicating extensive neurodegenerative change regardless of polygenic susceptibility.
In a 25-year longitudinal analysis, trajectories of cardiovascular risk were assessed by repeated Framingham Risk Score measurements. Participants exhibiting an accelerated increase in risk factors experienced a three- to five-fold greater likelihood of both Alzheimer’s and vascular dementia, as well as earlier memory decline, compared with peers whose risk remained stable. Notably, a stable risk trajectory appeared to attenuate dementia onset even in carriers of the APOE ε4 allele, highlighting the value of consistent cardiovascular control over the life course.
Cardiovascular Influence on Cognitive Function in Aging Adults publication trend
The graph below shows the total number of articles in cardiovascular influence on cognitive function in aging adults across all publications each year (not limited to Nature Index journals).
Technical terms
Cardiometabolic multimorbidity index: A composite score assigning one point each for prevalent stroke, diabetes and myocardial infarction to quantify cumulative vascular burden.
Polygenic risk score: A weighted sum of multiple genetic variants that estimates an individual’s inherited predisposition to a specific disease such as dementia.
Framingham Risk Score (FRS): A validated algorithm combining age, sex, blood pressure, cholesterol levels, smoking status and diabetes status to predict future cardiovascular events.
Hippocampal volume: A measure of the size of the hippocampus on neuroimaging, commonly used as a marker of neurodegeneration and memory capacity.
References
- Cardiometabolic multimorbidity, genetic risk, and dementia: a prospective cohort study. The Lancet Healthy Longevity (2022).
- Association of Cardiovascular Risk Trajectory With Cognitive Decline and Incident Dementia. Neurology (2022).
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