![]() ![]() Four different tests were used to assess logical memory, non-verbal reasoning, verbal fluency, and cognitive processing speed. Ten years later, and again 14 years later, they ran cognitive tests to assess cognitive decline in the study cohort over the 4-year interim period. The researchers tested viscosity in a random population of adults. Blood viscosity was predictive of cognitive decline over a 4-year period in 452 elderly subjects (p<0.05). The largest and longest-running prospective study on blood viscosity, called the Edinburgh Artery Study, published a report on cognitive decline in 2010. In this review, we turn our attention from the arterial system to the brain in order to highlight the important connections between blood viscosity and age-related cognitive impairment or dementia. ![]() It is a disease state that includes Alzheimer’s disease, which is responsible for about two-thirds of dementia cases.īlood viscosity is a fundamental yet often overlooked parameter for circulatory health, and a robust predictor of cardiovascular diseases (read, Blood Viscosity: The Unifying Parameter in Cardiovascular Risk). By 2030 that number is set to double to 65.7 million.īy 2050, the figure is expected to triple to 115.4 million, according to Dementia: A Public Health Priority (WHO Press, 2012).ĭementia is an age-related illness of the brain affecting memory, behavior and the ability to perform everyday tasks. The report estimated that in 2010, approximately 35.6 million people were living with dementia. In April 2012, the World Health Organization published a new report on the alarming worldwide trends in dementia. ![]()
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