Cohort Studyhigh evidence
Cochlear implants are associated with reduced cognitive decline risk: A 20-year cohort study.
Alzheimer's & dementia (Amsterdam, Netherlands)·January 1, 2026·PMID 42502781
Why it mattersHearing loss is a major modifiable risk factor for dementia, yet the impact of cochlear implantation on cognitive outcomes remains underexplored. These findings provide real-world evidence that restoring auditory input may substantially reduce cognitive decline risk, reinforcing the importance of early intervention in at-risk populations.
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