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this post was submitted on 08 Aug 2026
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As the article says, they lack pre covid data. I'd then question how they determine "abnormal behaviour"?
I guess losing ability to smell is a sign of brain damage. And eventually things get rewired with redundant, less important or new connections if possible, resulting in different scan results.
Because they compared them to the brains of healthy people, which while they have variation, have enough similarity to establish a baseline and recognize abnormality.
but like everyone had covid. so you compare people with dysfunction with people feeling healthy but both had covid.
Not everyone has had COVID and there are antibody markers that only show up with exposure to the virus itself. I think the estimate is around 20% of the population was never infected.
But we also just have brain scans from before the pandemic.
Not everyone.
I’ve never had Covid
I've never had covid.