Millions of people have long COVID brain fog — and there's a shortage of answers
"COVID. That, too, can basically be a cause of a brain injury."
SARS-CoV-2 is associated with changes in brain structure in UK Biobank
UK researchers scanned the brains of 400 people before and after mild covid, compared them with controls and found:
- greater reduction in grey matter thickness
- greater reduction in global brain size
- greater cognitive decline
- greater change to primary olfactory cortex