Loss of brain “gray matter”
Imaging of the brain before and after Covid infection showed significant loss of brain tissue — even for "mild" cases that did not require hospitalization — in areas responsible for behavioral and emotional response, memory, and more.
The reduction in overall cortical gray matter is equivalent to what older adults lose over years of aging.
Source: SARS-CoV-2 is associated with changes in brain structure in UK Biobank | Nature
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