alexa The relationship between type 2 diabetes and dementia.


Journal of Alzheimers Disease & Parkinsonism

Author(s): Strachan MW, Reynolds RM, Frier BM, Mitchell RJ, Price JF

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Abstract INTRODUCTION: The prevalence of type 2 diabetes and dementia are set to rise inexorably over the next 30-40 years. There are now substantial data to suggest that type 2 diabetes is associated with an increased risk of dementia. SOURCES OF DATA: This is a narrative review using data from individual studies and review articles known to the authors. A Medline search was also undertaken and reference lists were reviewed to identify additional relevant studies. AREAS OF AGREEMENT: Type 2 diabetes is associated with an increased risk of both Alzheimer's and Vascular dementia, although the reality is that many affected individuals have mixed forms of dementia. AREAS OF CONTROVERSY: The mechanisms underpinning this association remain to be clearly delineated. Type 2 diabetes is a complex disorder and so it is likely that multiple different, synergistic processes may interact to promote cognitive decrements. GROWING POINTS: Recent data suggest that glucocorticoids excess and elevated inflammatory markers may also have a role in the aetiology of diabetes-related cognitive impairment. AREAS TIMELY FOR DEVELOPING RESEARCH: Large-scale, prospective epidemiological studies are now required to accurately delineate the pathogenesis of cognitive impairment in people with type 2 diabetes. These are underway and randomized trials of diabetes-specific interventions are also starting to include cognitive function as an outcome measure. This article was published in Br Med Bull and referenced in Journal of Alzheimers Disease & Parkinsonism

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