Long COVID’s Brain Fog Finally Has a Biological Explanation: Dopamine Loss
4 Articles
4 Articles
A Canadian study of the University of Toronto detects for the first time a biological alteration linked to dopamine loss
Long COVID’s brain fog finally has a biological explanation: Dopamine loss
For years, long COVID has been defined almost entirely by what patients report feeling: fatigue, brain fog, memory lapses, a loss of motivation that won’t lift. Doctors have struggled to treat a symptom with no clear physical marker, and the condition has reshaped workplaces as employers scramble…
A PET imaging study found a significant reduction in VMAT2, a protein associated with nerve terminals that release dopamine, in patients with prolonged COVID. The results relate alterations in brain regions linked to memory, movement and motivation, although they still do not demonstrate a cure or establish whether changes can be reversed.
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