# ‘Stomach bugs’ send protective immune cells rushing from gut to brain

> **Open Intelligence Dossier** · First detected: 2026-09-18 09:20 UTC · Category: Health

## Executive Summary
4 news sources are covering this Health story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"‘Stomach bugs’ send protective immune cells rushing from gut to brain" is generating significant coverage in the Health category, with 4 articles from 4 distinct sources tracked by PULSE so far.


Outlets currently covering the story include Medical Xpress, Yahoo, Science News and Nature. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Medical Xpress | Gut infection may train immune sentries at the brain's border to remember microbes | [Source Link](https://news.google.com/rss/articles/CBMikAFBVV95cUxNZ2tMS3ZsWE16dHJIZm42N3hCLXJTTkJTQzczczE1Zy16M3JfdHlsS1p2emlMNnZuWEhURTJIay1TSGpYRFh3c2tCakt6Rmc2RzhVMnl0ZWFER0J2SkJVeXh6b0gyWklYZzhpNmVpekdoUDJzV1NsbDJIT0FYNUFWR2pJam9HaklQUTlFM3ZRa0jSAZABQVVfeXFMTWdrTEt2bFhNenRySGZuNjd4Qi1yU05CU0M3M3MxNWctejNyX3R5bEtadnppTDZ2blhIVEUySGstU0hqWERYd3NrQmpLekZnNkc4VTJ5dGVhREdCdkpCVXl4em9IMlpJWGc4aTZlaXpHaFAyc1dTbGwySE9BWDVBVkdqSWpvR2pJUFE5RTN2UWtI?oc=5) |
| Yahoo | Alzheimer's damage may start outside the brain as immune cells attack neurons | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxPcm84eEdFZmRPcjZrT2E5aHY5ckdialFaSXlVU21yX3p3MmFxNTdVSWcwQks2dGRQenBmbXFuakdQRXZqRDl2QTNJcnh2UHFXOTFVRTIwOUxFS1J1cUNHZEdFMWFwQWh1NkpvVmppc0xwWmNCNkY5NFhSSVpKQnZ4OGxxdjl3NjlEVG1xNHVYaGlXTEY4bFBMbTNR?oc=5) |
| Science News | Alzheimer’s damage may begin outside the brain | [Source Link](https://news.google.com/rss/articles/CBMie0FVX3lxTE1WRlBJbndNYlBhMmdSb25saWRqSWdrak5LeC1VN2NFS2ZIdHZ5cHpYT0VMaTVJR3BPcy12bTZpcnYwbHVZOFQ1bGVFc3ZGd2poQjZXdUp5RWJFd1NVcHRpc3VVd1hfY1ZHRnRFS3NYYnA0RTkwUE9tUE02cw?oc=5) |
| Nature | ‘Stomach bugs’ send protective immune cells rushing from gut to brain | [Source Link](https://news.google.com/rss/articles/CBMiX0FVX3lxTE9iR18tc082c0s1Sms3M2pUZXJyTnpnbktjN1R1RTNLNVAtNGx1VWpSTDdyeVc2Vmd4V3J0Q3ZjSHVrcU9XYUVXdnBiV05TcXZZWFFRRjBteXVSVWhoYXVR?oc=5) |

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*Canonical Source: https://pulse.byoaiapps.com/trend/2026-09-18/stomach-bugs-send-protective-immune-cells-rushing-from-gut-to-brain*