The Experience Miracles Podcast

How Healing the Vagus Nerve Helps Kids with Autism Reach Their Full Potential

Nov 18, 2025

The Vagus Nerve and Autism: How to Unlock Your Child’s Healing Potential

Episode 157, Experience Miracles Podcast | Host: Dr. Tony Ebel, DC, CACCP, Pediatric Chiropractor & Founder of PX Docs | Published: November 18, 2024 | Duration: ~50 min

Key Takeaways

  • The Vagus Nerve, the body’s longest cranial nerve, controls digestion, immune function, respiration, sleep, speech, and social-emotional connection, making it the single most important nerve for children with autism to heal.
  • Birth trauma is the “moonwalking bear” of autism: the most overlooked cause of vagus nerve dysfunction, which disrupts brainstem and nervous system development right at the start of life.
  • The vagus nerve is 85–90% sensory (afferent), meaning it functions as the body’s internal communication highway, when it’s injured or suppressed, every major system falters simultaneously.
  • Common approaches like breathwork, supplements, and sensory therapies can support the vagus nerve, but for children in deeper stages of Subluxation and neurological exhaustion, they don’t go deep enough to create foundational repair.
  • Neurologically-Focused Chiropractic Care, specifically INSiGHT Scans (including HRV) combined with neuro-tonal adjustments, is the only intervention Dr. Tony Ebel identifies as capable of reaching the root level of vagus nerve dysfunction in children with autism.

What Is the Vagus Nerve’s Role in Autism Healing?

Vagus nerve dysfunction is the central, and most overlooked, driver of autism’s wide-ranging symptoms. The vagus nerve is the 10th cranial nerve and the longest nerve in the body. It originates at the brainstem, travels through the neck and thorax, and branches into the cardiac system, lungs, and digestive tract all the way to the intestines. Because it is 85–90% sensory (afferent), it functions as the body’s primary internal communication system, monitoring every major organ and reporting back to the brain continuously.

When this nerve is injured, most commonly through birth trauma at the brainstem and upper cervical spine, the downstream effects are enormous. Sleep, digestion, immune function, heart rate variability, respiration, speech, eye contact, and social-emotional connection all depend on a functioning vagus nerve. A child with autism isn’t struggling with 10 separate problems; they’re struggling with one core problem, a suppressed, dysfunctional vagus nerve that has been unable to regulate any of the body’s other systems.

The good news, as Dr. Tony Ebel explains, is that the vagus nerve can be stimulated, repaired, rewired, and reconnected. When healing happens at this foundational level, families start seeing changes across all of those systems simultaneously, better sleep, improved digestion, calmer sensory responses, stronger immune function, and emerging speech and social connection.

Introduction: Why the Vagus Nerve Is the Key to Autism Healing [00:00:00 – 00:05:30]

Dr. Tony Ebel: In this episode, we’re sharing one of the nine presentations from the PX Docs Autism Summit, titled “How to Unlock Your Child’s Healing Potential Through the Vagus Nerve.” This is a deep dive into what we strongly argue is the most important nerve in the body, and definitely the most important nerve when it comes to autism.

When you understand the true healing potential of the nervous system, it all starts and centers from the vagus nerve. That’s the number one area that is completely overlooked, not just in conventional medicine, where they blame genetics and neurotransmitters, but even in functional and integrative medicine, where we talk about the gut-brain connection, the microbiome, and inflammation. The literal anatomical gut-brain connection is the vagus nerve.

Nothing impacts your child’s ability to heal, to repair, to restore, to regulate, to get back on track and stay on track developmentally like the vagus nerve. It has everything to do with digestion, respiration, immune function, and modulation of inflammation. It has everything to do with social-emotional connection, speech, and communication.

Once you really learn how to restore its function, that’s when families start to see huge breakthroughs, in sleep, speech, behavior, digestion, immune function, social-emotional connection, and more. What I love about the vagus nerve is that once you thread it into autism, everything seems so much more simple and straightforward instead of overwhelming and feeling like you have to do 87 things all at once just before lunch.

Vegas vs. Vagus: Understanding the Fight-or-Flight System [00:06:00 – 00:08:30]

The vagus nerve, V-A-G-U-S, is the 10th cranial nerve. There are 12 cranial nerves total, two on each side. The vagus nerve is the longest nerve in the body, and it gets its Latin name because it is the “wandering nerve”, it wanders throughout the entire body.

I always start with this comparison: when people hear “vagus,” they often think “Vegas”, as in Las Vegas, Nevada. Las Vegas is the opposite of what the vagus nerve does. Vegas means fight-or-flight, staying up, no sleep, tons of stress, sensory overload. The vagus nerve, on the other hand, is the healing side of the nervous system, it’s what you need to recover from a weekend in Las Vegas. The city is the opposite in its behavior from the nerve. That’s an easy way to remember it.

We’re completely overrun in our modern world by sympathetic fight-or-flight stress, nervous system dysregulation and imbalance, and our vagus nerves are suppressed and shut down. That’s why so many of us can’t sleep, can’t think straight, and can’t heal. This is the same conversation for our kids, only more severe.

Why Autism Is Not a Genetic Disorder [00:09:00 – 00:11:30]

Our kids are designed to be healthy. Very few of the things our kids are struggling with nowadays are actually truly genetic in the sense that coding got off track somehow. There is a slight, small genetic predisposition in autism, ADHD, and anxiety, but it is anything but a true genetic disorder.

If you ask what autism is, it’s probably the most severe of developmental delays. Because autism encompasses gut issues, immune system issues, sensory-motor issues, gross motor issues, motor delays, fine motor challenges, speech, communication, behavior, social-emotional regulation difficulties, anxiety, and hyperactivity. Every other set of diagnoses tends to fit within this box.

That means we need to take the most potent, the most effective approach. What is the biggest root cause? Where do we need to look the most and do the most work to get our kids better? The answer is the nervous system, specifically the central and autonomic nervous system.

As Dr. Bruce Lipton puts it: “The function of the nervous system is to perceive the environment and coordinate the behavior of all other cells.” The gut is a system. The immune system is a system. The endocrine system and hormones are a system. The nervous system is more important than all of those combined, because it controls, connects, and coordinates all of them. That is where healing must first foundationally start.

The Vagus Nerve: Anatomy, Function, and Why It Matters So Much [00:12:00 – 00:21:00]

Let’s get into the key facts about the vagus nerve, scientifically and factually true statements that connect directly to autism.

The vagus nerve is the longest cranial nerve in the body. It branches from the brainstem, travels through the foramen magnum, courses down through the neck, into the thorax, the cardiac system, the lungs, and into digestion, as deep as the intestines and the diaphragm. That’s why the vagus nerve is essential for digestion, respiration, and cardiac function.

The most critical fact: the vagus nerve is 85–90% sensory. It is an afferent sensory receptor nerve. It is telling the brain what’s going on in virtually every single system of the body. Think of it as Starlink for every other system, it’s the internal environment sensory receptor and coordinator.

The vagus nerve also has sensory afferents into the eyes, the ears, and social-emotional function. A child with autism who struggles to make eye contact or social-emotional connection is struggling because the vagus nerve is suppressed and dysfunctional. The motor functions of the vagus nerve control latching and nursing for infants, speech and verbalization, word formation and sentence structure throughout life. This is why vagus nerve dysfunction shows up so dramatically in apraxia, dyspraxia, and speech challenges.

“The vagus nerve is the key to unlocking pretty much every single illness in kids and parents.”

The vagus nerve has been nicknamed the “rest-and-digest nerve”, and that’s accurate, but it’s incomplete. It needs to be called the Rest, Regulation, Immune System Modulation, Social-Emotional Connection, and Healing nerve. It is the primary nerve of the parasympathetic nervous system, and it’s that entire healing system that we need to activate.

Birth Trauma: The Moonwalking Bear Everyone Misses [00:14:00 – 00:16:30]

The vagus nerve is most commonly injured from physical birth trauma at the brainstem, cranial-cervical neck, and spinal region. This is the smoking gun that is happening to the majority of kids with autism, and no one is talking about it.

Traditional medicine continues to blame genetics. Holistic and functional nutrition continues to blame toxins. There’s a little bit of genetics at play, and there’s a lot to do with toxins. But there is this whole middle layer that is happening to the majority of kids: their vagus nerve, brainstem, and nervous system function is injured and disrupted right at the beginning of life.

Birth interventions, forceps, vacuum, emergency C-section, cord wrapped, manual assistance, sunny-side-up positioning, all create physical injury to the brainstem, neck, and cranium. That is a vagus nerve injury.

“Birth trauma, as we call it, is the moonwalking bear, the thing that is happening to the majority of kiddos that no one is talking about.”

Additionally, the vagus nerve is extremely sensitive to toxins and inflammation. What happens is that our kids’ vagus nerves get hit by every single element of The Perfect Storm, prenatal stress, birth trauma, and toxin exposure. The cause of autism is multifactorial, and the vagus nerve sits at the intersection of all of it.

The Vagus Nerve as Multifunctional Air Traffic Control [00:22:00 – 00:25:30]

The most important thing to understand about the vagus nerve is that it is a multifunctional air traffic control nerve. Here’s what it controls:

  • Sleep, rest, recovery, and overall nervous system regulation
  • Digestion and the gut-brain connection
  • Respiration, breathing, oxygenation, CSF flow into the brain, and elimination of toxins from the brain
  • Heart rate, tone, and adaptability, HRV (heart rate variability) is a direct measure of vagal nerve tone
  • Speech, swallowing, and facial tone
  • Immune system and inflammatory modulation
  • Social-emotional affect, the polyvagal theory, developed by Dr. Stephen Porges, shows how the vagus nerve’s sensory branches directly control social connection

“The truth is you can tap into one singular thing, the vagus nerve and the nervous system, and you can address all of the factors and triggers that caused autism with one thing.”

When the vagus nerve is injured, every one of these functions is compromised simultaneously. When it is restored, healing begins to cascade across all of these systems at once. That is what makes this nerve, and this approach, so different from anything else in autism care.

Why Internet Advice on Nervous System Healing Is Incomplete [00:26:00 – 00:31:00]

You’ve seen breathwork, cold plunges, saunas, deep breathing, Wim Hof, humming, gargling, walking in nature, supplements, and vagus nerve stimulating devices on Amazon. These are all called vagus nerve and nervous system modulators. They are stimulatory and activating to the vagus nerve, but there’s a critical catch.

The vagus nerve needs to be at least somewhat functional and non-subluxated for these less potent approaches to be able to activate it.

For so many kids with autism, the vagus nerve isn’t just suppressed and dysfunctional, it never developed, turned on, and activated in the first place. Fetal distress, fertility challenges, and maternal distress interfere that early with vagal nerve and parasympathetic tone development. Then, if there’s birth intervention and physical injury to the brainstem, the vagus nerve is not even receptive or active enough to respond to deep breathing, nature walks, or relaxation.

“What we see on the internet and social media today about how to heal your nervous system is a bit misleading, because for so many kids with autism especially, we first need to repair and rewire and reconnect their vagus nerve through more deep, potent structural repair and foundational repair.”

Even intensive movement-based therapies, primitive reflex work, lasers, and vibe plates don’t get deep enough. A neurologically focused chiropractic adjustment reaches the vagus nerve at a level none of those approaches can match. Neurologically-Focused Chiropractic Care does not treat or cure autism, it gets into the nervous system, releases stuck Sympathetic Dominance, and activates, restores, and repairs suppressed vagus nerve tone. When that happens, the brake pedal comes back on, and the body has so much more capacity for bounce-back and recovery.

The Three Progressive Stages of Subluxation [00:32:00 – 00:37:00]

To understand how to unlock autism healing through the vagus nerve, we need to understand the three progressive stages of Subluxation and vagus nerve dysfunction.

Stage 1, Sympathetic Dominance. The vagus nerve is suppressed, the nervous system is stuck in fight-or-flight overdrive. This is the foundational dysfunction that creates the conditions for everything else.

Stage 2, Neurological Confusion. When Stage 1 goes unaddressed, developmental delays and neurological, digestive, gut, immune, and motor planning challenges set in. Children were colicky, fussy, missed milestones, had sensory issues, tantrums, meltdowns, poor sleep, and chronic illness, and now they don’t grow out of those challenges. They grow into an autism diagnosis, and/or ADHD, sensory processing disorder, anxiety, PDA, or OCD.

Stage 3, Neurological Exhaustion. The entire vagus nerve and entire autonomic nervous system shuts down. There is no healing happening, no development, no regulation or repair. This is the child with level 2 or level 3 autism where families have tried everything, every supplement, binder, chelator, therapy, intensive, primitive reflex therapy, laser therapy, gut test, OT, PT, speech, craniosacral work, tongue tie revision, and nothing is creating lasting change.

“The only thing foundationally deep, potent, rebuilding, restoring, and repairing enough to the vagus nerve and the nervous system is a very specific kind of chiropractic care called neurologically tonal PX Docs nervous system-focused chiropractic care.”

This doesn’t mean everything else is wrong or worthless. It means sequencing matters. Getting deepest to the foundation first is what needs to happen first. The basics are amazing, but the basics are often what parents tell us: “We’re doing it all and it’s not changing anything.”

INSiGHT Scans: Measuring Vagus Nerve Dysfunction [00:38:00 – 00:43:00]

How do you know you’re seeing the right kind of chiropractor? Two things: they only talk about the nervous system, and the only thing they measure in their exam is the nervous system, not just through symptoms, palpation, posture, or gait assessments, and not just by checking primitive reflexes (which are a secondary feature of the primary problem, which is subluxation and nervous system dysfunction).

INSiGHT Scans are the measurement technology that all PX Docs use. The thermal scans and the HRV (heart rate variability) exam are especially relevant to the vagus nerve conversation. HRV is a direct measure of vagal nerve tone, or lack thereof. It quantifies autonomic balance, Dysautonomia, and dysregulation in a way that is objective, visible, and trackable over time.

Once a PX Doc has those scans, they can sit down knee-to-knee with you, show you exactly where the subluxation is, how severe the vagus nerve dysfunction is, and how dysregulated and dysautonomic the nervous system is. And then, most importantly, they can create a customized care plan with a specific initial frequency, duration, and number of visits based on your child’s actual scan findings.

Different children in different stages of subluxation require different adjusting techniques and clinical protocols. A child in Stage 3 neurological exhaustion needs to be adjusted differently than a child in acute Stage 1 sympathetic dominance. That is why finding the right office and getting scanned is the non-negotiable first step.

What Happens When the Vagus Nerve Starts Healing [00:46:00 – 00:50:00]

When a child first starts getting adjusted and the vagus nerve begins to activate, families are often blown away by what happens without changing anything else.

They start falling asleep easier and staying asleep longer. They start digesting, and detoxing naturally and neurologically, without any changes to nutrition or supplements. Their sensory-motor tone and coordination improve. They’re less hyper, less hypersensitive, less wound up. Their core gets stronger. Stimming decreases. Seizures begin to lessen. Sensory meltdowns start to calm. Transitions get easier. The immune system gets stronger.

Tapping into vagus nerve healing is tapping into all of these systems at once, in a sequential, inside-out process that is, honestly, hard to fully put into words.

“Our kids are made to heal. Their nervous systems are designed to be healthy, not sick. Their nervous systems are designed for recovery, repair, restoration, not sickness, dysfunction, and dysregulation.”

Dr. Tony Ebel has been in practice for 20 years, serving these families. He’s watched this healing happen in real time. And even knowing the neuroscience behind every step of it, he says it still leaves him in awe.

We’re not the miracle. Your child’s the miracle. We’re not the hero, you are. You found this. You are doing this work. You are staying up late at night searching for answers. The road to recovery is rarely overnight, and it’s rarely perfectly smooth. But it is absolutely worth staying on.

Frequently Asked Questions

What does the vagus nerve have to do with autism?

The Vagus Nerve controls digestion, immune function, respiration, sleep, heart rate variability, speech, and social-emotional connection, virtually every system that is dysregulated in autism. When the vagus nerve is injured or suppressed (commonly from birth trauma), it cannot coordinate healing in any of these systems. Restoring vagus nerve function is therefore the foundational step in autism recovery, because it addresses multiple systems simultaneously through one nerve.

How does birth trauma cause vagus nerve dysfunction in children with autism?

The vagus nerve originates at the Brainstem and is most commonly injured by physical birth trauma, including forceps delivery, vacuum extraction, emergency C-sections, cord-wrapped deliveries, and manual assistance during birth. These interventions create physical injury to the brainstem, upper cervical spine, and cranium. Because the vagus nerve is also sensitive to toxins and inflammation, children who experience The Perfect Storm of prenatal stress, birth trauma, and early toxin exposure are especially vulnerable to deep vagus nerve dysfunction.

Why doesn’t breathwork or other popular nervous system tools work for kids with autism?

Breathwork, supplements, saunas, cold plunges, walking in nature, humming, and gargling are all vagus nerve modulators, they’re helpful for nervous systems that are already somewhat functional. But for many children with autism, the vagus nerve never fully developed or activated in the first place. When a child is in Stage 2 or Stage 3 Subluxation and neurological exhaustion, these surface-level tools don’t reach the depth of dysfunction that’s present. Neurologically-Focused Chiropractic Care reaches the vagus nerve at a foundational structural level that these approaches cannot.

What are the three stages of subluxation in children with autism?

Stage 1 is Sympathetic Dominance, the nervous system is stuck in fight-or-flight with a suppressed vagus nerve. Stage 2 is Neurological Confusion, developmental delays, digestive issues, sensory problems, and missed milestones accumulate as subluxation goes unaddressed. Stage 3 is Neurological Exhaustion, the entire autonomic nervous system shuts down; healing, development, and regulation stop happening. This is the child with level 2 or level 3 autism who isn’t responding to any intervention.

What are INSiGHT Scans and how do they measure vagus nerve function?

INSiGHT Scans are the neurological measurement technology used in every PX Docs office. The HRV (heart rate variability) exam is a direct measure of vagal nerve tone, it quantifies autonomic balance or Dysautonomia objectively. Thermal scans identify patterns of Subluxation throughout the neurospinal system. Together, these scans allow PX Docs to locate dysfunction, measure its severity, and build a customized care plan with a specific frequency, duration, and adjusting approach based on the child’s stage of neurological health.

Can a child with severe autism actually recover?

Dr. Tony Ebel has been in practice for 20 years and says he has seen children with level 3 severe autism accomplish full transformational healing and recovery. Recovery is not always overnight, and it is not always smooth. But he believes recovery is possible for millions of kids. The prerequisite is addressing the root, vagus nerve dysfunction and nervous system Subluxation, at a deep enough foundational level to unlock the body’s own healing capacity.

How do I find a PX Docs chiropractor near me?

Visit the PX Docs Directory and search by city or zip code to find a neurologically-focused pediatric chiropractor trained in the PX Docs protocols and INSiGHT scanning technology near you.

Resources & Related Content

Find A PX Doc

Welcome to PX Docs. The place to find Hope. Answers. Hope. for you and your family.