A recent study by the University of California, Irvine challenges longstanding beliefs about cardiovascular risks and brain health in individuals aged 90 and older. Traditionally, conditions like high blood pressure and diabetes are known to damage brain blood vessels and increase dementia risk. However, this research indicates that these associations may not hold for nonagenarians. Led by Dr. Ravi Rajmohan, the study analyzed data from 267 participants in the National Institute on Aging’s 90+ Study. Results showed no direct link between brain changes and traditional risk factors such as hypertension or diabetes in this age group. Interestingly, certain medications, like diuretics, beta blockers, and vasodilators, were associated with reduced risks of brain-related conditions. These findings suggest a more nuanced relationship between vascular health and brain aging. This highlights the need for further research to refine treatment strategies and improve cognitive health outcomes for the elderly population.

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[Source: ScienceDaily, January 7th, 2025.]