The Vagus Nerve: The Bridge between Spinal Health and Overall Health

neurology Oct 26, 2023

By Dr. Peter Bennett, Chiropractor and Health Coach

In the vast realm of human physiology, few nerve structures capture our attention quite like the vagus nerve. As the longest cranial nerve, the vagus nerve acts as a masterful communicator, linking the brain to vital organs such as the heart, lungs, and digestive system. Recent research highlights its pivotal role in mediating our stress responses and impacting overall health. As a chiropractor, I've become increasingly intrigued by the interplay between spinal adjustments and the vagus nerve's function. Here, we delve into the scientific evidence surrounding vagus nerve stimulation and explore how chiropractic care might influence this critical neural pathway.

What is the Vagus Nerve?

For those unfamiliar, the vagus nerve is one of the 12 cranial nerves and plays a key role in the autonomic nervous system, which oversees our body's involuntary functions. It controls parasympathetic activities, commonly known as our "rest and digest" responses.

Health Benefits of Vagus Nerve Stimulation:

1. Stress and Anxiety Reduction: Stimulating the vagus nerve can lead to a decrease in stress hormones. This can result in reduced anxiety and heightened feelings of relaxation.

2. Improved Gut Health: Given the vagus nerve's direct connection to the digestive system, stimulation can enhance gut motility, potentially aiding those with digestive issues.

3. Heart Health: The nerve plays a role in heart rate regulation. By stimulating the vagus nerve, there's potential for improved heart rate variability, a marker for cardiovascular health.

4. Inflammation Control: The vagus nerve can inhibit pro-inflammatory cytokines, playing a role in the body's inflammatory response. This has promising implications for conditions like rheumatoid arthritis and other inflammatory diseases.

Spinal Health Care and the Vagus Nerve:

Now, where does spinal health care fit into this narrative?

1. Neural Communication: Spinal adjustments, particularly in the cervical spine region, can influence the neural pathways connected to the vagus nerve. By realigning the spine, we might be facilitating better communication between the nerve and the brain.

2. Stress Response Modulation: Adjustments have been found to lower the production of the stress hormone cortisol. Given the vagus nerve's role in the stress response, there’s potential that spinal health care might aid in vagus nerve modulation.

3. Enhanced Parasympathetic Activity: A well-aligned spine may support the function of the parasympathetic nervous system. This could indirectly be attributed to the optimal function of the vagus nerve.

While the exact mechanisms connecting chiropractic adjustments to vagus nerve stimulation are still under exploration, preliminary findings paint a promising picture. More research is undoubtedly needed, but the potential for spinal health care to positively impact our health, through the lens of vagus nerve function, is intriguing.


Our understanding of the human body and its intricate systems is continuously evolving. As a chiropractor and health coach, I believe in the power of holistic approaches and the potential synergies between disciplines. The relationship between spinal health care and the vagus nerve offers a captivating glimpse into how manual therapies might contribute to overall health and well-being.

Let's continue the conversation around spinal health care and its influence on overall health, recognising the potential pathways through which we might enhance our quality of life.


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