Vagus Nerve: Your Anxiety ON / OFF Switch

27 Jul 2021 · 34 min
33:35

Dr. Nicole Cain (YouTube live) explains the vagus nerve (10th cranial nerve) as a major regulator of the autonomic nervous system and outlines four primary roles: (1) nervous-system resets (parasympathetic activation), (2) the gut–brain communication highway, (3) anti-inflammatory regulation, and (4) control of vital signs (heart rate, blood pressure, respiration). She lists signs that vagal function may be impaired (voice/swallowing changes, sleep disruption, arrhythmia/vasovagal episodes, GI symptoms, blood-sugar swings, mood/connection problems) and gives practical, research-grounded ways to assess and increase vagal tone (pulse/HRV breath test, 4-count/diaphragmatic breathing, cold-face/dive reflex, essential oils in the ear bowl, humming/vocal work, Valsalva, gargling, laughing, nature, yoga, targeted gut care). She points viewers to a forthcoming blog and a free 'anxiety springboard' booklet for written resources.

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