Researchers, led by those from the US’ New York University, found that people reporting long Covid symptoms had a 10 per cent larger choroid plexus (ChP) — a network of blood vessels lined by cells that produce cerebrospinal fluid, which cushions the brain.
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Study suggests long Covid, Alzheimer’s may share disease mechanisms
February 14, 2026Researchers, led by those from the US’ New York University, found that people reporting long Covid symptoms had a 10 per cent larger choroid plexus (ChP) — a network of blood vessels lined by cells that produce cerebrospinal fluid, which cushions the brain.