From Pain to Possibility:
Meet Dr. Cosmas Leigh, the Doctor Who Helps You Heal at the Root
- Boost energy and cellular function
- Calm the brain and sharpen focus
- Reduce pain and inflammation
- Support deep detox and recovery
- Restore arousal, desire, and vitality
- Relieve pressure to restore mobility
Dr. COSMAS LEIGH’s CREDENTIALS
Something deeper is going on—and your body knows it.
If you’re stuck in chronic pain, struggling with arousal, or battling autoimmune flare-ups, it’s not “all in your head.” But it is connected to your nervous system.
At Leigh Brain & Spine Regenerative Medicine, we help you reset from the inside out.
Thousands have already escaped the cycle of symptoms. You can too.
You weren’t meant to live like this.
Take the first step. Your breakthrough starts now.
Dr. Cosmas Leigh’s Story
Leigh Regenerative Medicine was born out of necessity, compassion, and results.
This isn’t just medicine. It’s personal.
“I Hurt All the Time—And No One Gets It”
As a young boy, Cosmas Leigh sat in his classroom chair wincing in pain—day after day. He had a severe double scoliosis, and no matter how he shifted or stretched, the discomfort never stopped. Teachers thought he was just fidgety. Doctors said he’d “grow out of it.”
But deep down, he knew something was wrong.
While other kids focused on recess or homework, Cosmas quietly wondered if he’d ever feel normal in his body. His pain wasn’t just physical—it was isolating. And it sparked a question he would one day dedicate his life to answering:
What if real healing was possible—even when no one else believed it was?
“I’ve Tried Everything—Why Am I Still Sick?”
Today, millions of people are silently suffering—living with chronic pain, arousal dysfunction, autoimmune issues, or relentless fatigue.
They bounce from doctor to doctor, handed prescriptions and empty reassurances.
But the real issue is rarely addressed: a dysregulated nervous system that’s been overlooked for years.
Just like young Cosmas once was, these patients are told it’s “in their head” or “just stress.”
But we know the truth:
Your body isn’t broken—it’s stuck. And it can be reset.
“She Got Her Life Back—Without Surgery”
Years later, long after becoming a chiropractor, Cosmas watched his mother-in-law suffer from debilitating back pain.
She could barely stand, let alone play with her grandchildren. Traditional care wasn’t helping—and surgery wasn’t an option.
Determined to find answers, Dr. Cosmas Leigh began exploring regenerative therapies. He invested in his first piece of specialized training equipment—not for his practice, but for her.
The results were life-changing.
For the first time in years, she moved freely, laughed easily, and returned to the life she loved.
That’s when he knew: healing the root, not masking the pain, had to be the way forward.
“No One Ever Looked at the Whole Picture”
Real healing doesn’t come from chasing symptoms—it comes from restoring function where it’s been lost.
That’s why our regenerative medicine protocol focuses on how your brain, body, and cells are working together. We help reset your nervous system so it can shift out of survival mode and into healing. We realign and decompress the spine to relieve pressure and improve movement. And we restore cellular energy so your body has the fuel it needs to repair and regenerate.
When these systems come back into balance, the results feel like a miracle—but they’re not.
They’re biology.
And they’re possible for you.
“I Thought I Was Dying—But My Body Came Back Online”
When Dr. Trish Leigh—Cosmas’s wife—fell seriously ill, everything changed. Years of unexplained symptoms had spiraled into a devastating diagnosis: toxic mold (mycotoxin) poisoning. Her body was in full collapse. She developed MCAS, CIRS, and eventually, cancer. It was a sink-or-swim moment.
Desperate for answers that conventional medicine couldn’t provide, Cosmas turned to what he knew best—regenerative healing. He expanded his protocol, knowledge, and skills, investing in advanced, non-invasive therapies designed to repair the nervous system, detox the body, and restore mitochondrial function at the cellular level.
And slowly, it worked. Not just to manage symptoms—but to reverse them.
That season deepened everything.
This wasn’t just about helping patients anymore. It was personal.
“I Just Want to Feel Like Myself Again”
The truth is, most people never get the answers they need. They’re handed medications, told their labs are “normal,” or blamed for not trying hard enough.
But the real issue is often missed: a dysregulated nervous system, a body under pressure, and cells too depleted to heal.
At Leigh Brain & Spine, we see the full picture—and we help you restore it.
Whether you’re struggling with chronic pain, arousal dysfunction, autoimmune issues, or fatigue that just won’t lift, you don’t have to keep suffering. There is a path forward. One rooted in science, compassion, and results.
You deserve to feel good in your body again.
And we’re here to help you get there.
Accessible and Effective
(Because healing shouldn’t be out of reach)
When my wife was battling severe toxic mold illness, we were desperate for answers.
No one could tell us what was really wrong—unless we were willing to spend thousands just to start the process.
It might feel impossible alone—but with the right support, healing becomes simple.
Each day at Leigh Regenerative Medicine, we help patients finally understand why they feel stuck—through our comprehensive 3-part assessment that evaluates brain function, physical structure, and cellular performance.
Using state-of-the-art technology and custom-designed protocols, we create targeted care plans that retrain your nervous system and restore communication between your brain and body.
Our team combines cutting-edge tools with expert coaching to help you shift out of dysfunction—so you can feel more focused, energized, connected, and alive.
This is healing that works together: brain, body, and cells—finally on the same page.
The Answers Your Body’s Been Trying to Tell You
If you’re feeling like something is off—but no one can tell you why—you’re not alone. Maybe you’ve been told it’s all in your head. Maybe you’ve been chasing treatments, only to feel worse, not better.
At Leigh Regenerative Medicine, we believe you deserve real answers. And a real path forward.
We start by listening—not just to your symptoms, but to the story your nervous system is telling us through your brain, your body, and your cells. Our unique 3-part assessment reveals how your system is firing, where it’s short-circuiting, and why it can’t regulate energy, mood, immune function, or even sexual performance the way it’s meant to.
Finally, Real Healing That Lasts
This isn’t just about managing pain or calming anxiety. It’s about restoring your core rhythm—so your body knows when to activate, when to rest, when to fight, and when to heal. We use cutting-edge technology to retrain your system to function as it was designed: balanced, responsive, resilient.
You may have been stuck for months or years. You may have tried everything. But this is where it starts to shift—not with more prescriptions or band-aid fixes, but with a complete reset of your brain-body connection.
Relief Is Just the Beginning
When you finish your care with us, you won’t just feel better—you’ll feel like yourself again. Clearer. Stronger. More present in your life and relationships. That sense of heaviness and disconnection? Gone.
In its place, a body that works with you, not against you. A mind that’s calm but focused. Energy that lasts. Sleep that restores. Desire that returns. You’ll walk away with more than relief—you’ll have your rhythm back.
And that changes everything.
You’ve carried this long enough. We’re here now.
ABOUT Dr. Cosmas Leigh
Hi, I’m Dr. Cosmas Leigh, D.C.
My journey into regenerative medicine didn’t start in a classroom—it started in my own body. As a teenager, I suffered from a double scoliosis that traditional medicine couldn’t resolve. I lived with chronic pain and limited options, but it lit a fire in me: to pursue natural, root-cause healing that actually works.
That mission took on new meaning years later when my mother-in-law—my wife’s mom—was debilitated by back pain. Over twenty-five years ago, as a Chiropractic Physician, I invested in my first piece of regenerative advanced training to help her get her life back. And she did—playing with her grandkids again for the first time in years.
But it became even more personal when my wife, Dr. Trish Leigh, faced a devastating health crash due to toxic mold exposure. Watching her navigate mycotoxin illness, MCAS, and even a cancer diagnosis with no clear medical roadmap was heartbreaking. I made it my mission to find the most advanced, evidence-based regenerative tools available—and bring them home.
That’s how Leigh Regenerative Medicine was born.
With over two decades of clinical experience, I’ve built a comprehensive system that helps people reset their nervous systems, repair their bodies, and restore hope. Our approach starts with a 3-part assessment that evaluates brain function, physical structure, and cellular performance. From there, we deliver precise, customized protocols that help patients overcome chronic pain, arousal dysfunction, autoimmune struggles, and more.
I’m not just a doctor. I’m a husband, a father of six children, and a man who knows what it’s like to be failed by the system—and to build something better.
I help people overcome:
- Anxiety & depression
- Focus, memory & attention issues
- Chronic fatigue & brain fog
- Mold & mycotoxin illness
- Autoimmune & inflammatory disorders
- Digestive & skin issues
- Chemical & histamine sensitivity
- Pain, headaches & tension
- Erectile dysfunction & arousal issues
- MCAS & POTS
- Dysautonomia & nervous system imbalance
If you’ve been suffering without answers, know this: you don’t have to stay stuck. We’re here to help you heal—fully, and finally.
They say necessity is the mother of invention—and that’s exactly how Leigh Regenerative Medicine began.
My team and I work diligently to help people in a total, all-encompassing way starting with their nervous system.
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Whole-System Assessment
Our signature 3-part evaluation reveals how well your brain is regulating stress and arousal, whether your physical structure is supporting or straining your system, and how efficiently your body is producing and using energy. This deep insight allows us to create a plan tailored to your unique neurological, structural, and cellular needs. -
Personalized Regenerative Care Plans
Each care plan is designed to reset the nervous system, improve blood flow and oxygenation, reduce inflammation, restore energy production, and repair communication between the brain and body. These combined effects help resolve symptoms like pain, fatigue, arousal dysfunction, brain fog, and immune dysregulation—by helping your system relearn how to function properly. -
Root-Cause Medical Guidance
Led by Dr. Cosmas Leigh, your care is guided by a physician who has personally walked the path of chronic illness recovery. He combines decades of clinical expertise with lived experience to help you understand why you’ve been stuck and how to break through it—with clear steps and continuous support. -
Behavioral & Lifestyle Optimization
Healing doesn’t stop in the clinic. We’ll help you create new rhythms in your daily life to reinforce recovery—through better sleep, nutrition, stress management, and movement, all aligned with how your nervous system functions best. -
Ongoing Progress Monitoring & Support
Our team checks in regularly to track your progress, fine-tune your plan, and make sure you’re moving toward lasting results—not just short-term relief.
It is a measurable, whole-person approach for lasting success.
MY SPECIALTIES
Autoimmune Disorders
Chronic Pain
Arousal Dysfunctions
Want to Get Know Dr. Cosmas Leigh Better?
Dr. Cosmas Leigh joins his wife, Dr. Trish Leigh, each week on her YouTube channel where they share powerful, life-changing content. With honesty and heart, Dr. Cosmas opens up about his personal and professional journey and how the breakthroughs he’s experienced can help you heal, too.
Together, they explore how to regenerate your brain, body, and life from the inside out.
Get Steps to Reverse the Nervous System Dysfunction Behind Autoimmune Issues, Arousal Dysfunction, and Chronic Pain.
MEET The TEAM
Whitney Springfield
Clinic Operations Director & Regenerative Care Coordinator
At Leigh Brain & Spine, Whitney serves as the heart of daily operations, blending empathy, precision, and a decade of experience in holistic and regenerative medicine. With a deep commitment to excellence, she ensures every aspect of the patient journey—from the initial inquiry to the final follow-up—is smooth, supportive, and deeply human.
Whitney leads scheduling, patient communication, and compliance with clarity and care, ensuring the clinical team is empowered to focus on what matters most: healing. Her attention to detail, calm demeanor, and genuine warmth help patients feel seen, heard, and cared for from the very first call.
Outside the office, Whitney enjoys quality time with her family and lives what she promotes—an intentional, wellness-centered lifestyle rooted in balance and vitality.
Surekha Atma
Regenerative Therapy Associate
As the Regenerative Therapy Associate at Leigh Regenerative Medicine, Surekha plays a vital role in delivering a seamless and supportive healing experience for every patient. With a calm and compassionate presence, she guides patients through the hands-on application of our innovative therapy modalities, ensuring they feel comfortable, cared for, and informed throughout their journey.
Drawing from her background in customer service and healthcare administration, Surekha is uniquely equipped to support both clinical excellence and operational flow. She works closely with providers to ensure that each patient session is delivered with precision, empathy, and attention to detail.
Outside the office, Surekha enjoys cooking and embraces a healthy, balanced lifestyle—reflecting the same values she brings to her work every day.
Indira Cortez
Brand Ambassador
Indira blends strategy and soul to expand the impact of the practice’s mission. With a keen eye for design and a deep understanding of patient-centered messaging, Indira brings stories to life that connect, inspire, and empower patients. She crafts intentional brand experiences—from digital campaigns to in-office touchpoints—that align with the heart of healing and the science of transformation. Her work ensures that every detail reflects the values of care, credibility, and regeneration.
Dr. Trish Leigh
Chief Neuro-Integrative Officer
With Dr. Cosmas Leigh, Dr. Trish leads the integration of the innovative brain-body protocols that help patients rewire, repair, and regenerate their systems naturally. A cognitive neuroscientist with over 25 years of varied expertise, Dr. Trish Leigh combines cutting-edge science with lived firsthand insight—having personally overcome mold toxicity, autoimmune dysfunction, and a cancer diagnosis. Her work bridges clinical precision with human transformation, making her a leading voice in the future of integrative healing.
WORK WITH ME
Looking for world-class care that actually works? Welcome home.
Your Regeneration Starts Here.
Find out how Dr. Cosmas Leigh can help you.
Out of love and sheer urgency, I invested in the most advanced regenerative technologies I could find. One by one, they helped her heal.
That’s how Leigh Regenerative Medicine was born.
I took everything I learned through personal crisis and 25+ years in clinical practice and built a program that actually works—without sending people into financial distress to access it.
Healing takes time, energy, and yes, investment. But it shouldn’t cost your life savings just to get answers.
Our mission is simple: real solutions, rooted in science, delivered with compassion—and within reach.