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the fibromyalgia discovery that explains why nothing has worked

A 2025 University of Liverpool study found a hidden mechanism driving fibromyalgia. No medication was ever designed to address it.

If you’ve been told fibromyalgia is “just stress” and tried many medications without relief, this is for you...

Written by Dr. Sophie M. — PhD in BMED
Published On March 01, 2026

You Already Knew Something Was Wrong. 
Medicine Is Just Catching Up.

Before any research. Before brain scans revealed overactive pain centers in people with fibromyalgia. Before anyone could point to antibodies attacking nerve clusters near your spine.

 

You already knew.

 

But knowing something is real and having others believe it are two different things.

 

Here is what fibromyalgia patients were actually told by their doctors:

"Nothing wrong" — told to one patient for five years before diagnosis.


"It'll go away" — repeated over years by multiple doctors, none of whom ever diagnosed her.


"It's all stress and anxiety related."


"Fibromyalgia doesn't exist."


"My doctor called it the lazy person disorder. He said all his patients have one thing in common — they just want to feel sick."


"They think because you are female that pain is in your head, not real."


"I was told it's not real, it's all in your head, you're just lazy."

And when patients finally pushed for help:


"I had one appointment. I can't have any form of OT or PT because there's nothing they can do for me."


"I don't know if I should be happy I finally got my diagnosis. Or despair because there is nothing they can do."


"Both my doctors don't 'believe' in fibromyalgia. How can you ask for help if they don't believe in what you have."

 

"The only source of help is my GP and all she wants to do is increase my medication if I tell her I'm still in pain. I'm on 10 different medications including two controlled drugs."

"After 15 years of being prescribed heavy drugs and thrown around doctors — my family led to believe it was all in my head."

That last one deserves a second look. Fifteen years. Strong drugs. And a family taught to doubt them.

 

This wasn’t just an isolated case. Thousands of fibromyalgia patients have shared similar stories: dismissed, released, and given prescriptions for conditions they didn’t have. This happened in a medical system that failed to recognize their true issues.

 

The dismissal wasn’t always cruel. Often, it stemmed from a genuine knowledge gap. 

When medicine couldn’t find a clear cause, it defaulted to psychology.

 

Now, there’s a clear mechanism. It’s documented, peer-reviewed, and replicated.

 

This means everything you were told — the stress, the sensitivity, the “nothing we can do” — wasn’t a judgment on your experience.

 

It reflected the limits of what medicine could see at that time.

You weren’t wrong. The tools were.

The same knowledge gap that led to years of dismissal is why every medication you received aimed to solve the wrong problem.

 

For most people, it goes one of three ways: 

 

the medication never worked, it worked until it didn’t, or it worked but the cost wasn’t worth the benefit.

 

And for too many, all three. In sequence.

the medications didn't treat fibromyalgia. they only managed it. 
often, the cost wasn't worth it.

Most people with fibromyalgia have a version of the same story. Your doctor writes the first prescription. Maybe it helps — for a few weeks, sometimes a few months. You feel something shift and you think: maybe this is it. Maybe this is the one that works.

 

Then it stops working.

 

Or the dose needs to go up. And then up again. Until you're taking more than you ever imagined just to maintain the baseline you had three months ago.

 

Or it never works at all, and your doctor moves to the next one on the list.

pregabalin

Within days, something close to a miracle. The pain that owned your mornings finally loosens its grip. You clean the whole house for the first time in years. You think: I'm young again.

 

Then your stomach starts to swell. Twenty pounds. Forty. Sixty-five. Concentrated in the middle of your body, seemingly overnight, seemingly impervious to diet or exercise. Your doctor looks at the scale and doesn't mention the Lyrica.

 

The brain fog arrives next. You lose words mid-sentence. You forget the names of people you've known for years.

 

"I turned into a brain-dead zombie."

 

"I completely lost myself along the way. I lost relationships. I lost jobs."

 

And then the tolerance. The 150mg stops working so you go to 300. Then 450. Then you're at the ceiling with nowhere left to go — and the pain is back anyway.

 

If you try to stop, you find out what Lyrica withdrawal actually is. Agitation. Skin crawling. Panic attacks. Severe depression.

"I was left to choose between two evils — disabling pain, or being fat and forgetful."

duloxetine

The emotional blunting arrives quietly. You're present, but you're behind glass — watching your own life like it belongs to someone else. The joy at your child's school play feels muted. When you mention it to your doctor, she suggests it might just be your personality.

 

The dose goes up. 30mg to 60mg to 90mg to 120mg. At some point it stops working. And then, when you finally try to stop, you discover what brain zaps are. Electric shocks firing behind your eyes. A sound like a bug zapper every time you move your head too quickly. Nausea. Vertigo so bad you can't sit up. Suicidal thoughts that weren't there before.
 

You find out from online strangers, not doctors, that you must open each capsule by hand. Then, count the tiny beads inside. Every night, you’ll take out a fraction to taper down by 10% every two weeks. It takes nine months. It takes two years.

"The Hotel California. You can check out any time you like, but you can never leave."

Withdrawal — The Evidence

What the research shows

Cymbalta (Duloxetine)
44%
experienced withdrawal on stopping From Eli Lilly's own pooled trial data — nearly double the 23% placebo rate.
30–50%
affected, per later independent reviews More common and more severe than trials indicated — including significant mood and anxiety symptoms.
Lyrica (Pregabalin)
~2 mo
of use can be enough to trigger withdrawal risk Documented in patients with no prior psychiatric history. Rare cases include delirium and psychosis after abrupt stopping.
Other
2025
FDA required stronger withdrawal warnings for gabapentinoids Pregabalin labeling updated — 21 years after approval — to strengthen warnings including neonatal withdrawal risk.

Gabapentin, Savella, and other fibromyalgia medications share a common path. They have different side effects, timelines, and costs, but face the same core issue. All these drugs aim to manage the signal. None target the source producing it.

 

You weren't failing the medications.

 

These drugs were meant to target only one aspect of fibromyalgia. They could quiet the signal, but only for a short time and at a high cost.

 

A deeper issue kept the pain going. For two decades, researchers in neuroscience, immunology, and pain medicine have been uncovering this.

 

What they found wasn't a simple answer. But for the first time, it was a coherent one.

It all begins in a surprising place.

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When the Body Never Feels Safe: The Hidden Mechanism Behind Fibro Pain

Your body isn’t broken — it’s just trying too hard to protect you.
Once you understand why, you can finally help it relax.

It may sound strange, but in a way, doctors who once said fibromyalgia was “in your head” weren’t entirely wrong — just profoundly misunderstood.


Because technically, fibromyalgia does start in the head — not in your imagination, but in the central nervous system: the brain and spinal cord that process pain and control the body’s automatic responses.

Think of this system as having two gears:

  • fight or flight (the gas pedal),
  • rest and digest (the brake).

This system is designed to protect you. In moments of danger, it gives you a burst of strength — tightening muscles, sharpening focus, and flooding your body with energy to fight or flee. But it’s meant to be temporary, like an emergency mode.

 

In healthy bodies, these gears shift naturally. When danger passes, the brake engages — muscles relax, blood flow improves, and the body resets.

But in fibromyalgia, that system gets stuck on high alert.
The gas pedal stays pressed down constantly, even when there’s no threat. Your body lives in survival mode 24/7 — diverting blood and oxygen away from digestion, hormone balance, and deep sleep. The result is fatigue, brain fog, and that awful “crashed before the day even starts” feeling.

 

Worse, when the brain is stuck on high alert, it can actually flip how pain is processed. A short burst of stress can dull pain — but chronic stress makes pain louder. That’s the cruel paradox of fibromyalgia: the same system meant to protect you becomes the one keeping you in pain.

And when your body believes it’s fighting for survival 24/7, there’s little energy left for anything else.
The result is a vicious cycle:
tension → pain → poor sleep → more tension → more pain.

This raises a bigger question: 
Why does this cycle start? 

Why does it continue without an injury or clear trigger? 

Recent research shows the answer is more complex than expected.

But Why Does the Nervous System Get Stuck in the First Place?

Your fight-or-flight response is on high alert. This keeps your body in survival mode. But why does it get stuck, and why does it persist? 

This has puzzled researchers for years. 

Recent discoveries show the answer isn't simple.

 

Fibromyalgia isn't just one problem. 

It affects three linked systems that break down together. Each system prevents the others from healing.

THE THREE-SYSTEM BREAKDOWN

System 1: Sympathetic Nervous System Stuck "On"

 

Earlier, we talked about how your body's "fight or flight" response can get stuck.

But what keeps it locked there? Here are the biological locks:

 

  • Sleep Deprivation: Lack of sleep stops the daily reset that should turn off sympathetic activation.
     
  • Flattened Cortisol Rhythm: Your stress hormone pattern becomes abnormal, causing constant low-level stress.
     
  • Chronic sympathetic activation primes your immune system. It keeps making inflammatory signals and antibodies.
     
  • Loss of Regulatory Control: Fewer regulatory T cells (Tregs) mean the immune system can attack your own tissues freely. (A. Globig et al., 2023)

This is why the sympathetic nervous system can't "just calm down." It’s trapped by biological feedback loops. This constant activation drives the breakdown of Systems 2 and 3.

 

System 2: Myofascial Tissue Breakdown

 

Chronic muscle tension from sympathetic overactivity is not just uncomfortable; it’s harmful. Studies show that muscle pressure in fibromyalgia is very high. It’s nearly as high as in compartment syndrome, a serious condition that limits blood flow (Katz et al., 2021). This is clear proof that fibromyalgia muscle issues are real, not "imagined." When muscles remain tight for months or years, several things happen:

 

  • Micro-tears form in muscle fibers and fascia, the tissue wrapping around muscles.
     
  • Blood flow decreases, depriving tissues of oxygen.
     
  • Metabolic waste builds up.
     
  • The tissue tries to heal but struggles. This happens because the sympathetic nervous system keeps muscles tight.
     
  • Proteins from damaged tissue leak into the bloodstream.

This causes ongoing low-grade inflammation and painful trigger points. These are the spots that feel like someone is pressing on a bruise.

 

System 3: Autoimmune Antibody Production
 

This is where earlier research links back to the nervous system.

 

Recall the 2021 University of Liverpool study. Antibodies from fibromyalgia patients were transferred into healthy mice. Symptoms appeared and then resolved. This mechanism doesn't work alone.

 

Those antibodies are made in higher amounts due to chronic sympathetic activation—System 1 (Liptan, 2023). The nervous system in high alert doesn't just tire you out and tighten your muscles. It also keeps your immune system producing the antibodies that sensitize your pain-sensing nerves.

 

This creates a self-perpetuating loop in fibromyalgia. System 1 drives System 3. Then, System 3 amplifies pain signals. Amplified signals keep System 1 on high alert. The cycle continues without needing a new trigger—it feeds itself.

THE FIBROMYALGIA VICIOUS TRIANGLE: 

How Three Systems Create a Self-Perpetuating Cycle

Figure 1: The three-system breakdown in fibromyalgia. 

This diagram illustrates the self-reinforcing cycle of fibromyalgia. Each system affects the others, so no single system can heal alone. This is why treatments that focus on one area often fail. To break the cycle, multiple systems must be addressed at the same time.
Notice the feedback loop in the top right. Central sensitization triggers the stress response, keeping the sympathetic nervous system active. This closes the loop. Once this triangle forms, it continues even without new injuries or triggers. That’s why fibromyalgia feels relentless. You’re not just facing one problem; you have three connected issues that won’t go away.

It’s Not Your Fault: Why Relief Keeps Slipping Away

You likely have a drawer full of things you tried that didn’t help.

 

This isn’t because you did something wrong or didn’t try hard enough. Each approach — medications, physiotherapy, supplements, or lifestyle changes — targeted only one system at a time.

 

But all three systems influence each other continuously.

 

This isn’t an issue of effort. It’s a limit of single-target treatments for a multi-system condition.

When one part reinforces the cycle, interrupting it doesn’t stop the others from pulling it back.

 

Understanding this shows where we can intervene most easily.

Of the three systems, the myofascial component — System 2 — is the most accessible from outside the body. Chronic fascial tension can be measured and located. It responds to specific physical input, which can affect the nervous system and immune response driving it. When muscles and their fascia stay tight for months or years, they become inflamed, stiff, and harder to calm (Rüster et al., 2005).

 

This is where myofascial release therapy comes in. It isn’t a cure for fibromyalgia, but it may provide a way into the cycle.

Calming the System at Its Source

Real myofascial release differs from regular massage. It’s gentle and slow. The therapist applies steady pressure to help the fascia relax.
When done right, myofascial release helps you move better and feel less sore. It also relaxes your body. Studies show that multiple sessions can reduce fibromyalgia pain and improve sleep for weeks (Castro-Sánchez et al., 2011).


The challenge? You need a trained therapist and frequent visits. Most people can’t sustain that long-term.


While myofascial release is effective, it’s not practical for everyone. Here’s where another method helps. It combines myofascial release benefits with neuromodulation. This approach targets all three systems.

A Different Approach: Neuromodulation

What if you could influence all three systems at once? Neuromodulation makes this possible. It uses gentle electrical signals to affect multiple biological systems at the same time.  
 

Scientists have discovered that electrical neuromodulation can:

  1. Shift the autonomic nervous system from sympathetic to parasympathetic (fixing System 1 dysfunction).
     
  2. Release natural opioids and anti-inflammatory signals. This helps tissues heal and addresses System 2 damage.
     
  3. Activate the cholinergic anti-inflammatory pathway to modulate immune cell function (impacting System 3).

This isn't new. Researchers learned how electrical signals affect nerves back in 1965.

 

What's new is brain scanning technology that shows us exactly what's happening. 

 

Plus, 2024-2025 research reveals how these signals influence immune function. 

 

Here are the four main mechanisms:

 

1. Blocking Pain Signals in Your Spine

 

In 1965, Melzack and Wall found that electrical pulses can stop pain before it gets to your brain (Melzack & Wall, 1965). 

 

Your body has two types of nerve fibers. Pain travels on slow, thin fibers (C-fibers), while touch travels on fast, thick fibers (A-beta fibers) (Latremoliere & Woolf, 2009). Electrical pulses activate the touch fibers. 

 

These fibers reach your spinal cord first and block pain signals (Baba et al., 2003). Think of it like a doorway. The touch signals fill the doorway, preventing pain signals from getting through. 

 

2. Turning On Your Body's Pain Medicine

 

Electrical therapy helps your body make endorphins, which fight pain. 

 

You might know these as the chemicals that make you feel good after exercise (Wang et al., 2024; Ali et al., 2020). 

 

In tests, blocking endorphins stopped the electrical treatment from working. This showed that electricity signals your body to release natural pain fighters (Han, 2004). 

 

This method provides pain relief that lasts for hours after treatment (Hughes et al., 1984; Ezema et al., 2022).

 

3. Teaching Your Brain to Turn Down Pain

 

The third way is what scientists call true neuromodulation. 

 

It changes how your nervous system processes pain signals. Deep in your brain is the periaqueductal gray (PAG). It acts as your brain's pain control center (Behbehani & Fields, 1979; DeSantana et al., 2009). 

 

When electrical stimulation hits this area, it sends calming signals down your spine. 

 

The PAG talks to another part of your brain stem (rostral ventromedial medulla). This part sends "quiet down" signals to your spine (Gyorfi et al., 2022). 

 

These signals reduce the sensitivity of your pain nerves. Brain scans show that neuromodulation also enhances communication between brain areas (Clarke et al., 2025; Mehnert et al., 2024).

 

The thinking part of your brain learns to communicate better with the parts that feel pain. This helps your brain recognize that your body is safe, even when muscles feel tight. 

 

The best part? These changes can last even after treatment stops. Your brain learns a new, calmer response to nerve signals (Latremoliere & Woolf, 2009).

 

4. Teaching the Immune System to Calm Down

 

Scientists recently identified the "cholinergic anti-inflammatory pathway" (Borovikova et al., 2000; Tracey, 2002). 

 

When electrical signals activate the vagus nerve, they release acetylcholine. This chemical signals immune cells to lower inflammation (Rosas-Ballina et al., 2011). 

 

Here's how it works: An electrical signal causes the release of acetylcholine. This substance then binds to receptors on immune cells (α7 nicotinic acetylcholine receptors). 

 

This reduces the production of inflammatory chemicals (TNF-α, IL-6, IL-1β) (Wang et al., 2003; Zouali, 2023). 

 

This is not just theory. In July 2025, the FDA approved vagus nerve stimulation for rheumatoid arthritis (SetPoint Medical, 2025). 

 

This treatment works using this mechanism. Research shows that 75% of RA patients were free of biologic drugs after 12 months (Tesser et al., 2024, RESET-RA study). 

 

Studies indicate that low-frequency electrical therapy effectively engages these pathways (Han, 2004; Ali et al., 2020). 

 

This mechanism may also apply to autoimmune fibromyalgia (Goebel, 2025). Research shows this pathway can affect B cells that make antibodies (Viau & Zouali, 2005; Zouali, 2023). 

This could help with immune dysfunction. This is why neuromodulation is promising for fibromyalgia. It works with your body's natural systems. It not only blocks pain signals but also calms the nervous and immune systems.

Why This Matters for Fibromyalgia?

In fibromyalgia, there’s a three-way breakdown:
 

SYSTEM 1: Sympathetic Nervous System Hyperactivity

  • Neuromodulation can boost heart rate variability.
  • It shifts the balance to parasympathetic dominance.

SYSTEM 2: Myofascial Tissue Dysfunction

  • Electrical therapy and heat can improve blood flow.
  • They help release fascia, lower intramuscular pressure, and promote healing.

SYSTEM 3: Autoimmune Antibody Production

  • The cholinergic anti-inflammatory pathway may affect B cell activity.
  • It can reduce inflammatory cytokines that drive antibody production.

Then, there’s the downstream effect: CENTRAL SENSITIZATION

  • This results from all three systems.
  • Endorphin release and PAG activation restore pain inhibition.

This is why neuromodulation research is promising for fibromyalgia.

 

It’s more than just “pain relief.” It’s a multi-system approach that tackles the interconnected issues at play.

 

Calming the sympathetic nervous system allows muscles to relax. When muscles relax, tissue damage decreases. Less tissue damage means fewer antigens are released. Fewer antigens lead to fewer immune complexes.

 

This results in less dorsal root ganglia activation. Reduced DRG activation means less central sensitization.

 

Breaking the cycle at any point can help. Breaking it at multiple points at once may be even more effective.

Is There a Cure for Fibromyalgia?

There’s no cure for fibromyalgia — at least not yet.


But that doesn’t mean there’s no hope.
Many chronic conditions, like diabetes or high blood pressure, don’t have “cures” either — yet they can be managed effectively with the right combination of approaches. The same is true for fibromyalgia.


When people ask me if recovery is possible, I say, “Yes — but it’s not about erasing fibromyalgia overnight.”


It’s about helping the body rebalance — reducing the constant tension, calming the overactive nervous system, and restoring a sense of safety and rest.
With consistency and the right tools, many people experience a dramatic improvement in pain, fatigue, and daily function.
It takes time and self-care, but progress is absolutely possible.

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Introducing 
Sereni Stim™

This is where the mechanism becomes clinically specific.

 

Many people who try electrical therapy feel temporary relief. This relief is usually localized and lasts for a short time, returning to baseline within an hour. However, research on combined thermal and electrical stimulation shows a different physiological response.

 

A randomized controlled trial in the Brazilian Journal of Physical Therapy found that using heat with electrical stimulation improved pressure pain thresholds. These improvements were noted at 30 minutes and continued for 4 weeks. Neither method alone showed the same results. (Leemans et al., 2021)

 

Another study with 100 patients found that combining electrical stimulation with heat led to significant pain reduction. This effect lasted up to 3 months and also improved mood, muscle strength, and endurance. (Neuwersch-Sommeregger et al., Schmerz, 2020) 

 

It's important to note that these studies focused on chronic low back pain, not fibromyalgia specifically. However, the mechanism—stimulating normal central pain processing and enhancing local tissue response—directly relates to the central sensitization seen in fibromyalgia.

 

The synergy works because heat and electrical stimulation target different yet complementary biological pathways:

 

Heat therapy:

  • Increases blood flow to tight cervical fascia and muscles.
  • Lowers nerve activation thresholds, letting electrical signals reach deeper tissues.
  • Aids myofascial release and reduces intramuscular pressure.
  • Helps remove metabolic waste from damaged tissue.
  • Promotes healing of micro-tears in System 2.

Electrical neuromodulation:

  • Supports autonomic rebalancing through cervical sympathetic pathways.
  • Activates descending pain modulation via the PAG.
  • Releases β-endorphins and activates anti-inflammatory pathways (IL-10) in the spinal cord.
  • Potentially influences vagal-associated pathways involved in autonomic regulation.

When applied together in the cervical region, heat prepares the tissue and lowers the threshold. This allows electrical stimulation to penetrate deeper, producing a different central response than it would alone. This interaction is what the research measures when it finds improvements that neither method achieves by itself.

At first glance, Sereni Stim™ looks like a simple neck massager, but it’s more than that. When it touches your skin, you’ll feel gentle warmth and soothing currents. 

 

This calming sensation spreads from your neck to your shoulders. Unlike regular massagers that use strong vibrations, Sereni Stim helps your body relax. It works with your nervous system to soften the fascia.


You don’t have to just take my word for it. Many people with fibromyalgia, tension, and stress-related pain use Sereni Stim daily. 

 

They say it’s the first thing that has truly helped them unwind. Users report deeper sleep, less stiffness in the morning, and feeling calmer during the day. These changes make life much easier.

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In Summary: 
A Multi-System Approach for a Multi-System Problem

Fibromyalgia is hard to treat because it impacts three systems, not just one:

 

System 1: Sympathetic nervous system stuck in overdrive.

 

System 2: Myofascial tissue damage and inflammation.

 

System 3: Autoimmune antibodies amplifying pain signals.

 

Most treatments focus on just one system. This is why they provide only temporary relief. Sereni Stim is different. It’s based on recent 2024-2025 research showing fibromyalgia affects all three systems.

 

It combines electrical neuromodulation with heat therapy in the neck area. This works in several ways:

 

✓ Autonomic rebalancing (System 1): Uses the cervical sympathetic pathways.

 

✓ Myofascial release and healing (System 2): Heat boosts blood flow and aids healing.

 

✓ Potential immune modulation (System 3): May affect antibody production through the cholinergic anti-inflammatory pathway.

 

This isn’t just masking symptoms. It targets the causes linked to the problem. Unlike prescription devices that cost thousands or ongoing therapy bills, Sereni Stim is a one-time purchase. You can use it as often as you need—no refills, no subscriptions, and no recurring costs.

 

The Three-System Difference 

 

Medications may calm nerve signals but don’t tackle the source. Physical therapy can release tight muscles but doesn’t explain why they’re tight. 

 

Sereni Stim targets the interconnected systems driving the cycle. Research supports these mechanisms. Results may vary, but the method is based on peer-reviewed studies from 2021-2025. This research led to FDA approval of electrical neuromodulation for autoimmune rheumatoid arthritis in July 2025.

 

You have two choices:

  1. Stick with single-target treatments that address only one system.
     
  2. Try an approach designed for all three systems—risk-free with our 60-day money-back guarantee.

If fibromyalgia is autoimmune (as 2025 research suggests), and if electrical neuromodulation can influence immune function (as FDA approval for RA confirms), then addressing all three systems makes sense. 

 

Your body has been caught in this triangle for too long. It's time to break the cycle from multiple points.

Important Notice About Amazon & Knock-Offs

Sereni Stim™ is not available on Amazon or other third-party sites. If you find similar devices listed elsewhere, they are not made or approved by us.

Many knock-offs imitate our design but lack quality control, stable output, and safety testing. We can't confirm how these devices are made or if they meet basic standards.

Buying imitations carries real risks, including inconsistent performance, poor durability, and safety concerns.

To get the authentic Sereni Stim™ with proper quality checks, customer support, and our guarantee, only purchase from our official website. Any device bought elsewhere is used entirely at your own risk.

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Disclaimer

*Sereni Stim is not intended to diagnose, cure, or prevent any disease. Individual results may vary. The information provided is for educational purposes only and should not replace professional medical advice.

References

Globig, A., Zhao, S., Roginsky, J., Maltez, V., Guiza, J., Avina-Ochoa, N., Heeg, M., Hoffmann, F., Chaudhary, O., Wang, J., Senturk, G., Chen, D., O’Connor, C., Pfaff, S., Germain, R., Schalper, K., Emu, B., & Kaech, S. (2023). The β_1-adrenergic receptor links sympathetic nerves to T cell exhaustion. Nature, 622, 383-392. https://doi.org/10.1038/s41586-023-06568-6.


Ali, U., Apryani, E., Wu, H. Y., Mao, X. F., Liu, H., & Wang, Y. X. (2020). Low frequency electroacupuncture alleviates neuropathic pain by activation of spinal microglial IL-10/β-endorphin pathway. Biomedicine & Pharmacotherapy, 125, 109898. https://doi.org/10.1016/j.biopha.2020.109898


Baba, H., Ji, R. R., Kohno, T., Moore, K. A., Ataka, T., Wakai, A., Okamoto, M., & Woolf, C. J. (2003). Removal of GABAergic inhibition facilitates polysynaptic A fiber-mediated excitatory transmission to the superficial spinal dorsal horn. Molecular and Cellular Neuroscience, 24(3), 818–830. https://doi.org/10.1016/j.mcn.2003.08.001


Behbehani, M. M., & Fields, H. L. (1979). Evidence that an excitatory connection between the periaqueductal gray and nucleus raphe magnus mediates stimulation produced analgesia. Brain Research, 170(1), 85–93. https://doi.org/10.1016/0006-8993(79)90942-9


Borovikova, L. V., Ivanova, S., Zhang, M., Yang, H., Botchkina, G. I., Watkins, L. R., Wang, H., Abumrad, N., Eaton, J. W., & Tracey, K. J. (2000). Vagus nerve stimulation attenuates the systemic inflammatory response to endotoxin. Nature, 405(6785), 458–462. https://doi.org/10.1038/35013070


Clarke, S., Wanigasekera, V., Rogers, R., Caspani, O., Mouraux, A., Fardo, F., Finnerup, N., Treede, R., & Tracey, I. (2025). Neural correlates underlying high-frequency stimulation-induced secondary hyperalgesia in humans. Pain Reports, 10, e1342. https://doi.org/10.1097/pr9.0000000000001342


DeSantana, J. M., Silva, L. F., Resende, M. A., & Sluka, K. A. (2009). Transcutaneous electrical nerve stimulation at both high and low frequencies activates ventrolateral periaqueductal grey to decrease mechanical hyperalgesia in arthritic rats. Neuroscience, 163(4), 1233–1241. https://doi.org/10.1016/j.neuroscience.2009.06.056


Ezema, C. I., Onyeso, O. K., Nna, E. O., Awosoga, O. A., Odole, A. C., Kalu, M. E., & Okoye, G. C. (2022). Transcutaneous electrical nerve stimulation effects on pain-intensity and endogenous opioids levels among chronic low-back pain patients: A randomised controlled trial. Journal of Back and Musculoskeletal Rehabilitation, 35(6), 1247–1258. https://doi.org/10.3233/bmr-210146


Goebel, A. (2025). Fibromyalgia syndrome—an autoimmune condition? Pain Reports, 10(4), e1270. https://doi.org/10.1097/PR9.0000000000001270


Goebel, A., Krock, E., Gentry, C., Israel, M. R., Jurczak, A., Morado Urbina, C., Sandor, K., Vastani, N., Maurer, M., Cuhadar, U., Sensi, S., Nomura, Y., Menezes, J., Baharpoor, A., Brieskorn, L., Sandström, A., Tour, J., Kadetoff, D., Haglund, L., Kosek, E., Bevan, S., Svensson, C. I., & Andersson, D. A. (2021). Passive transfer of fibromyalgia symptoms from patients to mice. The Journal of Clinical Investigation, 131(13), e144201. https://doi.org/10.1172/JCI144201


Gyorfi, M., Rupp, A., & Abd-Elsayed, A. (2022). Fibromyalgia pathophysiology. Biomedicines, 10(12), 3070. https://doi.org/10.3390/biomedicines10123070


Han, J. S. (2004). Acupuncture and endorphins. Neuroscience Letters, 361(1–3), 258–261. https://doi.org/10.1016/j.neulet.2003.12.019


Hughes, G. S., Lichstein, P. R., Whitlock, D., & Harker, C. (1984). Response of plasma beta-endorphins to transcutaneous electrical nerve stimulation in healthy subjects. Physical Therapy, 64(7), 1062–1066. https://doi.org/10.1093/ptj/64.7.1062


Katz, R. S., Leavitt, F., Small, A. K., & Small, B. J. (2021). Intramuscular pressure is almost three times higher in fibromyalgia patients: A possible mechanism for understanding the muscle pain and tenderness. The Journal of Rheumatology, 48(4), 598–602. https://doi.org/10.3899/jrheum.191068


Krock, E., Morado-Urbina, C. E., Menezes, J., Hunt, M. A., Sandström, A., Kadetoff, D., Tour, J., Verma, V., Kultima, K., Haglund, L., Meloto, C. B., Diatchenko, L., Kosek, E., & Svensson, C. I. (2023). Fibromyalgia patients with elevated levels of anti–satellite glia cell immunoglobulin G antibodies present with more severe symptoms. Pain, 164(8), 1828–1840. https://doi.org/10.1097/j.pain.0000000000002881


Latremoliere, A., & Woolf, C. J. (2009). Central sensitization: A generator of pain hypersensitivity by central neural plasticity. Journal of Pain, 10(9), 895–926. https://doi.org/10.1016/j.jpain.2009.06.012
Liptan, G. L. (2023). The widespread myofascial pain of fibromyalgia is sympathetically maintained and immune mediated. Journal of Bodywork and Movement Therapies, 35, 394–399. https://doi.org/10.1016/j.jbmt.2023.04.081


Mehnert, J., Tinnermann, A., Basedau, H., & May, A. (2024). Functional representation of trigeminal nociceptive input in the human periaqueductal gray. Science Advances, 10(6), eadj8213. https://doi.org/10.1126/sciadv.adj8213


Melzack, R., & Wall, P. D. (1965). Pain mechanisms: A new theory. Science, 150(3699), 971–979. https://doi.org/10.1126/science.150.3699.971


Rosas-Ballina, M., Olofsson, P. S., Ochani, M., Valdés-Ferrer, S. I., Levine, Y. A., Reardon, C., Tusche, M. W., Pavlov, V. A., Andersson, U., Chavan, S., Mak, T. W., & Tracey, K. J. (2011). Acetylcholine-synthesizing T cells relay neural signals in a vagus nerve circuit. Science, 334(6052), 98–101. https://doi.org/10.1126/science.1209985


Rüster, M., Franke, S., Späth, M., Pongratz, D. E., Stein, G., & Hein, G. (2005). Detection of elevated Nε-carboxymethyllysine levels in muscular tissue and in serum of patients with fibromyalgia.

Scandinavian Journal of Rheumatology, 34(6), 460–463. https://doi.org/10.1080/03009740510026715


SetPoint Medical. (2025, July 31). SetPoint Medical receives FDA approval for novel neuroimmune modulation therapy for rheumatoid arthritis [Press release]. https://setpointmedical.com/setpoint-medical-receives-fda-approval-for-novel-neuroimmune-modulation-therapy-for-rheumatoid-arthritis/
Tesser, J. D., et al. (2024). RESET-RA study: 242-patient randomized, double-blind, sham-controlled trial of vagus nerve stimulation for rheumatoid arthritis. As cited in SetPoint Medical FDA approval announcement. https://setpointmedical.com/


Tracey, K. J. (2002). The inflammatory reflex. Nature, 420(6917), 853–859. https://doi.org/10.1038/nature01321


Viau, M., & Zouali, M. (2005). B-lymphocytes, innate immunity, and autoimmunity. Clinical Immunology, 114(1), 17–26. https://doi.org/10.1016/j.clim.2004.08.019

 

Leemans, L., Elma, Ö., Nijs, J., Wideman, T. H., Siffain, C., den Bandt, H., Van Laere, S., & Beckwée, D. (2021). Transcutaneous electrical nerve stimulation and heat to reduce pain in a chronic low back pain population: A randomized controlled clinical trial. Brazilian Journal of Physical Therapy, 25(1), 86–96. https://doi.org/10.1016/j.bjpt.2020.04.001

 

Neuwersch-Sommeregger, S., Köstenberger, M., Pipam, W., Breschan, C., Stettner, H., Demschar, S., Trummer, B., & Likar, R. (2020). Electrical muscle stimulation in combination with heat for patients with chronic, nonspecific low back pain: A randomized, double-blind, stratified, placebo-controlled clinical trial. Schmerz, 34(1), 65–73. https://doi.org/10.1007/s00482-019-00429-8


Wang, H., Yu, M., Ochani, M., Amella, C. A., Tanovic, M., Susarla, S., Li, J. H., Wang, H., Yang, H., Ulloa, L., Al-Abed, Y., Czura, C. J., & Tracey, K. J. (2003). Nicotinic acetylcholine receptor alpha7 subunit is an essential regulator of inflammation. Nature, 421(6921), 384–388. https://doi.org/10.1038/nature01339


Wang, Q., Li, Z., Nie, D., Mu, X., Wang, Y., Jiang, Y., Zhang, Y., & Lu, Z. (2024). Low-frequency electroacupuncture exerts antinociceptive effects through activation of POMC neural circuit induced endorphinergic input to the periaqueductal gray from the arcuate nucleus. Molecular Pain, 20, 17448069241254201. https://doi.org/10.1177/17448069241254201


Zouali, M. (2023). Pharmacological and electroceutical targeting of the cholinergic anti-inflammatory pathway in autoimmune diseases. Pharmaceuticals, 16(8), 1089. https://doi.org/10.3390/ph16081089
 

 

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