Cohort Studyhigh evidence
Delirium and Long-Term Cognitive Trajectories in Cognitively Unimpaired Adults.
JAMA neurology·November 2, 2026·PMID 42970282
Why it mattersDelirium is common in hospitalized older adults, yet its long-term cognitive consequences are not fully understood. This study provides strong evidence that delirium is a potent risk marker for future cognitive impairment, which can inform post-discharge monitoring and cognitive assessment strategies.

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