Tapping into the Body’s Secret Pathway to Wellness
The vagus nerve is one of the most influential and far-reaching nerves in the human body—and yet, it’s one that many people have never heard of. Known as the “wandering nerve,” it begins at the brainstem and travels down through the neck alongside the spine, weaving through the chest and into the abdomen. Along its path, it communicates with and helps regulate many vital organs, including the heart, lungs, digestive system, and immune system.
But the vagus nerve does much more than manage physical functions. It plays a key role in maintaining emotional balance, social behavior, mood regulation, and stress response. In fact, around 75% of the parasympathetic nervous system—the branch responsible for rest, digestion, and healing—is made up of vagus nerve tissue. With over 200,000 sensory nerve fibers, it’s like a communication superhighway between the brain and the body.
When the vagus nerve is functioning well, your body is able to rest, recover, and regulate itself. But when it’s disrupted by stress, birth trauma, or inflammation, this crucial system can falter—leading to a wide variety of symptoms, especially in infants and children.
How Vagus Nerve Dysfunction Impacts Health
Because the vagus nerve touches so many systems in the body, its dysfunction often shows up as clusters of symptoms that may seem unrelated but are actually connected at the neurological level. In children, we frequently see vagus nerve imbalance manifest as difficulty with digestion (such as reflux or constipation), sleep disturbances, emotional dysregulation, or frequent immune challenges.
In more complex cases, such as autism spectrum disorder or sensory processing challenges, vagus nerve function is often deeply involved. Children may struggle with mood swings, anxiety, digestive issues, or frequent illnesses—many of which are tied back to the vagus nerve’s role in regulating inflammation, movement of the digestive tract (motility), and parasympathetic tone.
A well-documented example of this connection is gastroparesis, a condition where the stomach empties too slowly due to impaired vagus nerve signaling. Similarly, vasovagal syncope, or fainting caused by overactivation of the vagus nerve, can be triggered by stress, heat, or sudden changes in posture. In both cases, the nervous system’s ability to respond appropriately is compromised, often without an obvious cause.
Birth interventions—including forceps, vacuum extraction, prolonged labor, or cesarean delivery—can also place stress on the upper neck and brainstem area where the vagus nerve originates. These early life events may go unnoticed at first but can affect a child’s development as their nervous system begins to regulate more complex functions like speech, motor skills, behavior, and immune response.
How We Assess and Support Vagus Nerve Function
At Activate Chiropractic, we take a neurologically-focused approach to evaluating vagus nerve function. One of the most powerful tools we use is Heart Rate Variability (HRV) testing. HRV is a non-invasive scan that measures the balance between the sympathetic (“fight or flight”) and parasympathetic (“rest and digest”) branches of the autonomic nervous system.
This scan, which takes only a few minutes, provides valuable insight into how well the vagus nerve is performing its job. A low or imbalanced HRV reading can indicate dysautonomia, a state of nervous system dysfunction where the body struggles to regulate itself properly. We perform this test on patients of all ages—from newborns just days old to adults navigating chronic stress or burnout.
Once vagus nerve imbalance is identified, Dr. Derek Libby creates a personalized chiropractic care plan designed to remove interference from the nervous system. Through gentle, specific adjustments—particularly in the upper cervical spine and brainstem region—we work to restore optimal communication between the brain and body. As vagal tone improves, many patients experience changes such as better digestion, deeper sleep, fewer meltdowns or sensory episodes, and more stable moods.
Chiropractic and the Vagus Nerve Across the Lifespan
Supporting vagus nerve function through chiropractic care can benefit individuals at every stage of life. For infants, this can mean relief from colic, reflux, and sleep disturbances. For children, especially those with developmental or sensory challenges, improved vagal tone can enhance focus, emotional resilience, and immune strength. Pregnant women often benefit from better digestion, reduced anxiety, and improved overall nervous system regulation as their body adapts to pregnancy. And adults, especially those dealing with high stress or chronic fatigue, often report improved energy, mood, and gut health as their nervous system rebalances.
Our care is designed to meet you or your child right where you are—with thoughtful assessments, tailored adjustments, and a focus on restoring the body’s natural ability to heal, grow, and adapt.
Why the Vagus Nerve Matters
The vagus nerve may be small in size, but its impact is enormous. When it’s out of balance, the effects can feel overwhelming and disconnected. But with the right care and support, this essential nerve can become a source of calm, connection, and healing—helping the body function the way it was always designed to.
At Activate Chiropractic, we’re passionate about helping families unlock their health potential from the inside out. If you’ve been searching for answers to a complex mix of symptoms—or if you’re simply curious about how your nervous system is functioning—we’re here to guide you every step of the way.
Interested in learning more? Explore our pediatric chiropractic care, prenatal chiropractic services, or schedule an appointment.