Cohort Studymoderate evidence
Synergistic association of insomnia and anxiety with cognitive impairment and dementia in older adults.
Alzheimer's & dementia : the journal of the Alzheimer's Association·September 1, 2026·PMID 42773862
Why it mattersSleep disturbances and anxiety are common in older adults, yet their combined impact on dementia risk is often overlooked. This study provides evidence that addressing both conditions together may be more important than treating either in isolation for cognitive health.
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