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flag Hearing loss in older adults is linked to cognitive decline through shared brain connectivity issues, suggesting a potential dementia risk and a new biomarker.

flag A new study links age-related hearing loss to cognitive decline by identifying a shared neurobiological basis through the Functional-Structural Ratio (FSR), a measure of brain connectivity. flag Researchers found weakened connections in key brain regions involved in hearing, memory, and decision-making among adults with presbycusis, correlating with poorer hearing and cognitive performance. flag The findings suggest that hearing loss may reflect a broader decline in brain structure and function, potentially raising dementia risk, and point to FSR as a possible future biomarker for assessing brain health.

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