The Dr. Gundry Podcast Vagus Nerve: The Hidden Switch For Your Health, Says Dr. Kevin J. Tracey
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Sep 23, 2025 
In this engaging discussion, Dr. Kevin J. Tracey, a pioneer in neurosurgery and bioelectronic medicine, shares insights from his groundbreaking research on the vagus nerve. He explains how its stimulation can revolutionize treatments for inflammatory diseases, including a remarkable case study of a patient with Crohn's disease. The conversation dives into the history of the vagus nerve’s discovery, the health benefits of specific breathing techniques, and the emerging potential of electrical therapies in medicine. This episode is a fascinating blend of science and practical health advice.
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Triggering Moment: Janice's Death
- As a neurosurgery resident Dr. Kevin Tracey cared for an 11-month-old burn patient who suddenly died, a loss that propelled his research career.
- That unexplained death led him to study cytokine storms and inflammation for decades.
Kelly Owens' Recovery Story
- Patient Kelly Owens had severe Crohn's and arthritis and recovered after receiving an implanted vagus nerve stimulator in Amsterdam.
- After implantation and daily brief stimulation she became medication-free and returned to normal life.
The Inflammatory Reflex Explained
- The vagus nerve forms an 'inflammatory reflex' that senses inflammation and activates neural signals to suppress cytokine production.
- Stimulating specific vagus fibers can reduce TNF, IL-1, and IL-6 production by about 50–80% without immunosuppressing patients.
