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

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-23 01:29 UTC · Category: Health · Sources: 5 · Current Velocity: 2.8

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Medical Daily | Brain Scans of 24 Long COVID Patients Show a Lower Dopamine Marker Tied to Fatigue and Memory Problems | 2026-09-22 03:49 | [Source Link](https://news.google.com/rss/articles/CBMiigFBVV95cUxPVnBTR0lEQVZaeE1iZGlpQk5JeV8yaDVoekpYYWYwQnJzS3l5STh1dlJKQmQ0SWhzdUhYbEhXNEM2dnpDRlA0NF9Ic0JxNFdHMjNlY3AwelB5NlV2WGVwZG8wWnB0c2J2OFlQdHFqNTBESmZac0x0VmhQcEYtSGNBZ2tRSzdSWko0R3c?oc=5) |
| Martin Cid Magazine | Long COVID brain fog has a biological name | 2026-09-22 03:49 | [Source Link](https://news.google.com/rss/articles/CBMiggFBVV95cUxQWGl4ZXJyd1BuT0ttSXUzazdaSFRxUjdKZV8xYkd5Zlo4cWRtMXFvd0FISFN3Mm1LZHJUbDF2bHFsSjVTN1dFbE1RTlpTbzVvM3JtQUNzZlR1X1NhdnZfWU9OTWNieTdmNmpDamQyX0hQQlBkZXZUT3BDQjc1VzdIekhn?oc=5) |
| ua.news | PET scans link long COVID to changes in the dopamine system | 2026-09-22 03:49 | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxNcXNDZ1ktTm04eXFXajl5VVRMZFZJdFcta1BqUnE3ZFRSa2ZTUy1CNWFGTXVWWm1EbjZDUTZ4YlhIdW1XNUNnY2Vhd3NBby1Ucmt6OFgzVTBYR0VYUVM4dU5wRms5TWN0YmRSbkM4QncxeUNqd3RiV01zWlhDYVNteVNrY0d3QVQ0b2RWWVZGQkZVSTFKMjVwVlZSNmZKZTZPazczOFkyeWRFUXN1ZU1B?oc=5) |
| The Sick Times | Research updates, September 22 | 2026-09-22 03:49 | [Source Link](https://news.google.com/rss/articles/CBMidEFVX3lxTE91YmpvZkdxZVF6RjdNX0hBZW1mWXpfYVc2cUtySFdjenlnY1IxemZtSTV5SXhWN014aU5oblp6MXFRS0NwZDR4RGU2dnFBY0Y0LXM5eTlmRkpJNGNrZGVYbUNXaFZmYUhEclh6OVlYejVzamh1?oc=5) |
| ScienceDaily | Brain scans reveal a possible cause of long COVID fatigue and brain fog | 2026-09-22 03:49 | [Source Link](https://news.google.com/rss/articles/CBMib0FVX3lxTFA3a2xRbDExVmNjTEh3WXVyZmxBLXJwcTA0QzBGS3N1ZFhqVEtWc0o4Z3dLVHNYMldMUTVyN0dWS2RXU09rVnNvYXJ4SVlCcVZTTllvWE5hSVZ6b2k2SE9va1N1S0NHd0ViN1hVdEFFUQ?oc=5) |

---
*Canonical Source: https://www.newsylist.com/trend/2026-09-23/brain-scans-reveal-a-possible-cause-of-long-covid-fatigue-and-brain-fog*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*