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Mendelian randomization analyses support causal relationships between COVID-19 and changes in brain structure and function.

European archives of psychiatry and clinical neuroscience - 1 Feb 2026

Wang Qitong, Liu Fang, Wang Xinyu, Chen Tao

Abstract excerpt

A range of neuropsychiatric symptoms (including "brain fog") following COVID-19 are clinically prevalent, yet their biological mechanisms remain unclear. Observational studies indicate that this association may be linked to alterations in brain structure and function post-COVID-19; however, it is uncertain whether this relationship is causal. The study data is derived from the summary statistics of a genome-wide...

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PMID: 41307719
DOI: 10.1007/s00406-025-02142-5

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