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Long COVID Linked to Enlarged Brain Structure, Cognitive Decline

2/10/2026

23 4 Full Breakdown

Summary

Story summary

The NYU Langone Health study finds Long COVID patients have a 10% larger choroid plexus than fully recovered individuals.
The enlargement correlates with Alzheimer's disease markers, such as pTau217.
Participants with larger choroid plexuses performed worse on cognitive tests.
The study includes 179 participants and aims to determine if choroid plexus changes predict long-term cognitive issues and reversibility.

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Story summary

The NYU Langone Health study finds Long COVID patients have a 10% larger choroid plexus than fully recovered individuals.
The enlargement correlates with Alzheimer's disease markers, such as pTau217.
Participants with larger choroid plexuses performed worse on cognitive tests.
The study includes 179 participants and aims to determine if choroid plexus changes predict long-term cognitive issues and reversibility.