9/24/2026
Vital Signs

Brain scans reveal a possible cause of long COVID fatigue and brain fog

Filed by Dr. Iris Vale
Brain scans reveal a possible cause of long COVID fatigue and brain fog
Researchers have found evidence that long COVID may damage dopamine releasing neurons in the brain, potentially explaining persistent fatigue, low motivation, slowed movement, and memory difficulties. The discovery could lead to new treatments that target the brain's dopamine system.
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Dr. Iris Vale
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Brain scans reveal a possible cause of long COVID fatigue and brain fog — Vital Signs