Biopsies find long-COVID patients' stomachs missing half their nerve fibers (ijidonline.com)
A new biopsy study found long-COVID patients' nerve damage is gut-specific: skin biopsies from the same patients came back normal, while gastric nerve density tracked with heart-rate variability and a cardiac marker, pointing to a structural cause behind the nausea and bloating many patients report.
A reader flagged what the headline skipped: the control group was eight people. A physician in the thread went further, arguing gut damage is the smaller half of long COVID's real driver, one seated in the brain instead.
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