Breakthrough in Long Covid research – cause of treacherous “brain fog” found. Researchers have now found an explanation for this phenomenon and are calling it a milestone.

The team found elevated levels of a certain protein in the blood, which indicate a disrupted blood-brain barrier. This barrier is the border between the blood and the central nervous system and prevents certain substances from passing through the brain. In recent years, it has been found that in many neurological diseases, such as multiple sclerosis, A viral infection is probably the trigger.