Mysterious symptom of Covid-19 could prevent us from focusing

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Mysterious symptom of Covid-19 could prevent us from focusing




surreal man head in the cloud


© francescoch
surreal man head in the cloud


Entitled “What We Know About Covid-19 Brain Fog”, an article from New York Magazine looks at a relatively unknown symptom present in some patients with Covid-19, especially those who experience what is called the “long Covid” whose ailments persist for several months after infection. Called “brain fog” in English, what is translated as “brain fog” is, as its name suggests, a form of mental confusion that can cause disturbances or even inability to concentrate and problems communicating. An expert cited by the Times, speaks of thousands of cases while a London neurologist told the Guardian that studies even count up to 20% of Covid-19 survivors who would experience cognitive symptoms. The American article also speaks of a French study of 120 patients hospitalized due to Covid-19, 34% of whom have had memory loss and 27% declare concentration problems several months after being treated. Although this type of symptom seems to be more present in elderly patients who have had to deal with a severe case of Covid-19, a neurologist at Columbia University is also reporting symptoms of “brain fog” in younger patients.

While there is currently no certainty about the causes of the “brain fog” in people with Covid-19, some neurologists speak of inflammation of blood vessels, of an immune response that attacks by error in the nerve cells, a lack of oxygen for the brain or a form of post-traumatic stress or even extreme fatigue. While some patients say they have been experiencing “brain fog” for months, there has yet to be evidence of permanent brain damage from Covid-19.

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