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What Is the Vagus Nerve and Why It Matters

By July 21, 2025Blog
Ai image of vagus nerve

How Chiropractic Care Affects the Vagus Nerve

The vagus nerve is one of the longest and most influential nerves in your body. It runs from the brainstem through the neck and into the chest and abdomen, connecting to major organs like the heart, lungs, and digestive tract. It plays a vital role in the parasympathetic nervous system—your body’s rest-and-digest mode—which helps regulate heart rate, digestion, mood, and even inflammation.

When your vagus nerve is functioning optimally, it promotes a sense of calm, supports digestion, and enhances emotional resilience. But when it’s underactive or dysregulated, it can contribute to anxiety, digestive issues, fatigue, and chronic stress.

Symptoms of Vagus Nerve Dysfunction

Vagus nerve dysfunction, also known as low vagal tone, can show up in a variety of ways. Some of the most common signs include:

  • Chronic anxiety or depression

  • Irritable bowel syndrome (IBS) or poor digestion

  • Chronic inflammation

  • Difficulty breathing or feeling short of breath

  • Rapid heartbeat or poor heart rate variability (HRV)

  • Fatigue or brain fog

If you’re experiencing a combination of these symptoms, especially if they flare up during periods of stress, you might benefit from intentional vagus nerve stimulation.

5 Proven Ways to Stimulate the Vagus Nerve Naturally

There are several science-backed methods to reset and support your vagus nerve. These easy, non-invasive techniques can help you calm your nervous system and restore balance in the body.

1. Cold Exposure

Brief exposure to cold is one of the simplest ways to activate the vagus nerve. This can be as easy as:

  • Splashing cold water on your face

  • Taking a cold shower or ending your hot shower with 30 seconds of cold

  • Holding a cold compress to your neck or chest

Cold triggers the dive reflex, which activates the parasympathetic system and slows the heart rate—instantly promoting calm.

2. Humming, Singing, or Chanting

Because the vagus nerve is connected to the vocal cords and the muscles at the back of the throat, activities like humming and singing provide gentle stimulation. Chanting “OM” or even singing in the shower can:

  • Improve vagal tone

  • Reduce anxiety

  • Support a calmer mood

Try humming for just 60 seconds a few times a day and notice the shift in your mental clarity and physical relaxation.

3. Deep Breathing and Breathwork

Slow, intentional breathing is one of the most powerful tools for nervous system regulation. Focus on:

  • Diaphragmatic breathing: Deep belly breaths that fully expand the lungs

  • 4-7-8 breathing: Inhale for 4 seconds, hold for 7, exhale for 8

  • Box breathing: Inhale, hold, exhale, and hold for equal counts (e.g., 4-4-4-4)

This kind of breathwork stimulates the vagus nerve, encourages better oxygen flow, and signals your brain that you are safe—reducing stress hormones and improving digestion.

4. Chiropractic Care

Gentle spinal adjustments, especially in the upper cervical region (neck), can positively influence the vagus nerve. Misalignments in the spine may interfere with nerve signals, contributing to stress responses and poor digestion.

Chiropractors in Meridian, Idaho and beyond often use safe, targeted adjustments to:

  • Relieve tension in the nervous system

  • Restore communication between the brain and the body

  • Improve vagal tone and parasympathetic function

5. Cranial Facial Release (CFR) Therapy

Cranial Facial Release is a specialized technique that targets the cranial bones, sinuses, and facial structures. When these areas are out of balance, it can put pressure on the vagus nerve and other parts of the nervous system.

CFR therapy can help by:

  • Releasing pressure and improving circulation to the brain

  • Supporting optimal nerve flow

  • Enhancing the body’s natural healing and calming mechanisms

At Elevation Health Center, we combine CFR with chiropractic care to provide whole-body support for people experiencing anxiety, digestive problems, and post-traumatic stress symptoms.

How Chiropractic and Cranial Therapies Boost Vagal Tone

Both chiropractic adjustments and cranial therapies work to restore balance in the central nervous system. When the spine is aligned and the cranial bones are properly mobilized, the vagus nerve can function without interference. This promotes better:

Over time, regular care can help “train” your vagus nerve to activate more easily and more often—meaning you’re better equipped to handle stress, recover from illness, and maintain emotional equilibrium.

You don’t have to live in a constant state of fight-or-flight. With simple daily practices and targeted therapeutic care, you can reset your vagus nerve and support your body’s ability to heal from the inside out. Whether you’re dealing with anxiety, poor digestion, or chronic fatigue, supporting your vagal tone can be a game changer.

At Elevation Health Center in Meridian, we specialize in helping patients regulate their nervous system naturally—through chiropractic care, cranial facial release, and personalized wellness strategies. Contact us today to learn how you can reset your nervous system and feel like yourself again.

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