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COVID-19 can cause cognitive symptoms in some patients, such as short-term memory loss, difficulty concentrating, difficulty remembering words, and brain fog long covid. While most of the initial research focused on patients hospitalized with severe COVID symptoms, it is clear that most Long COVID patients only became ill after a mild case of COVID. Even mild cases of COVID can affect the brain. Using magnetic resonance imaging (MRI), the researchers compared the brains of the same patients before and after they were infected w... more