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Is COVID-19 Brain Fog Real?

Some people recovering from a COVID-19 infection have reported having ongoing “brain fog,” or cognitive problems that can cause an array of symptoms such as confusion, forgetfulness, an inability to focus and trouble communicating. Scientists say they’re not sure what percentage of people have this problem after the infection, but they do think that up to 20 percent may experience it. A study in France showed that 34 % of hospitalized patients complained of memory loss, while...