Researchers Find Cause of Long-Covid Symptom “Brain Fog”

“Brain fog” is one of the most common symptoms after corona disease. Those affected cannot think clearly, are forgetful and mentally exhausted. How long this condition lasts or what can be done about it is still unclear. However, scientists have now figured out the cause of the long-Covid symptom.

According to researchers at La Trobe University in Melbourne, Australia, brain fog could have a similar origin to other neurological diseases, including Alzheimer’s, Parkinson’s and dementia. According to this, protein deposits could be the cause of the long-Covid symptom “brain fog”.

What is brain fog?

“Brain fog” manifests itself in symptoms such as concentration problems, orientation difficulties, difficulty finding words, sudden forgetfulness and mental exhaustion. The symptoms appear in the context of a Covid-19 infection and last long after the illness, which is why they are considered a typical sign of Long Covid.

Not all corona patients suffer from Long Covid, which is why the cause of the various phenomena is still not clear. However, there are risk factors and possible causes that lead to some recoveries suffering from Long Covid and others not (FITBOOK reported).

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Same cause as for Alzheimer’s and Co.?

Since the neurological effects of Covid-19 are very similar to neurodegenerative diseases such as Alzheimer’s and Co., the Australian researchers looked for other similarities. They found that in both cases, amyloid plaques were found between the neurons in the brain. These are protein fragments that are produced by the body. In a healthy brain, these fragments are broken down and dissolved. In Alzheimer’s patients, they accumulate into hard, insoluble lumps.

Possibly the amyloid plaques are the cause of the brain fog as a symptom of Long Covid. However, more research is needed to say for sure, says study leader Dr. Nick Reynolds from the Institute for Molecular Science at La Trobe University. He and his team also warn against jumping to conclusions. Even if the cause is the same, it doesn’t necessarily mean that long-Covid patients with “brain fog” suffer long-term damage or that it profoundly affects thinking or memory function.

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Study gives hope for new treatment options

The study gives hope to those suffering from “brain fog”: By discovering the cause, there could soon be treatment options for the long-Covid symptom. dr Reynolds explains: “It is possible that existing drugs could be used to treat brain fog, which affects a significant proportion of people who have long covid after infection with SARS-CoV-2.”4 Drugs normally designed to relieve the symptoms of Alzheimer’s and Parkinson’s could then be used to combat brain fog.




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