Scientists identify potential cause of post-COVID fatigue
A Canadian study has found that long COVID post-infection causes damage to brain cells that produce dopamine, which explains symptoms such as fatigue, decreased motivation, memory difficulties, and slow movement. Imaging results showed reduced levels of a marker indicating the health of these cells in key areas of the brain, particularly the striatum and substantia nigra, which are involved in regulating movement, motivation, and memory. Damage to dopamine cells is linked to increased levels of inflammation in the brain, and researchers plan to conduct clinical trials to test treatments aimed at restoring dopamine function to improve these symptoms.
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