Small study shows a possible reason some long COVID patients experience 'brain fog'
Briefly

Dr. Leah Croll, neurologist and assistant professor, told ABC News: 'Knowing this is real can be very validating for people who experience this symptom.'
In the study, researchers found more permeability of the blood-brain barrier in patients with long COVID and brain fog compared to other groups.
Read at ABC7 San Francisco
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