Olfactory Dysfunction and Cognitive Deterioration in Long COVID: Pathomechanisms and Clinical Implications in Development of Alzheimer's Disease.

Cells · 2026 · PMC12839780 · PMID 41597249

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a significant trendno p-value reported

On the contrary, a significant trend between the recurrent olfaction and memory deterioration after the acute phase of COVID-19 has not been found in other prospective, longitudinal, case-control studies [ 133 , 134 , 135 , 136 ].

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