Can a neck device dial down pain by zapping the vagus nerve?
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Researchers are testing whether stimulating the vagus nerve through the skin of the neck changes how much acute pain healthy adults feel. About 20 adults wear a cap that records the brain's electrical signals while they place their hands in cold water up to three times. Each pers…
Sponsor: David A. Purger • Aim: Knowledge-focused
Last updated Sep 20, 2026 00:00 UTC