Exercise to Mitigate Cerebrovascular Aging: A Geroscience Perspective.

Aging is characterized by a progressive loss of cellular functions that increase the risk of developing chronic diseases, vascular dysfunction, and neurodegenerative conditions. The field of geroscience has identified cellular and molecular hallmarks of aging that may serve as targets for future interventions to reduce the risk of age-related disease and disability. These hallmarks include genomic instability, telomere attrition, epigenetic alterations, loss of proteostasis, deregulated nutrient sensing, mitochondrial dysfunction, cellular senescence, stem cell exhaustion, and altered intercellular communication. Several studies show that exercise may favorably affect these processes and thereby have antiaging properties. The primary mechanisms through which exercise confers protective benefits in the brain are still incompletely understood. To better understand these effects and leverage them to help promote brain health, we present current findings supporting the notion that adaptive responses to exercise play a pivotal role in mitigating the hallmarks of aging and their effects on the aging cerebrovasculature, and ultimately contribute to the maintenance of brain function across the healthspan.

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