The disc is bulging.
But that might not be why it hurts.
The shooting pain down the leg. The fear of sitting, bending, lifting. The terrifying imaging report. The label "sciatica" that feels like a structural verdict. Relief retrains the nervous system that's keeping the alarm on.
Launching August 2026 · iPhone
One email on launch day.
You've been told it's the disc.
But the treatment isn't working.
The MRI came back and there it was: disc herniation, maybe at L4-L5 or L5-S1, with something pressing on the nerve root. It looked definitive. The radiologist's language was alarming. Your GP referred you to a surgeon. You've tried steroid injections, nerve flossing, physio, anti-inflammatories. Maybe the injections helped for a few weeks, then the pain came back. Maybe nothing helped at all. You're afraid to sit for long. Afraid to bend. Afraid it will get worse.
Here's what the research actually shows: disc herniations, bulges, and degeneration appear on the MRIs of people who have zero pain. A systematic review by Brinjikji et al. (2015), covering more than 3,000 individuals with no symptoms, found that 30% of 20-year-olds have disc bulges. By age 80, that number reaches 84%. These findings are common. They are often incidental. And they do not necessarily explain your pain.
This does not mean your pain is not real. It is. But the structural finding on the scan may not be the thing driving it. When sciatica persists beyond the normal healing window for a disc injury, typically 6 to 12 weeks, something else is usually maintaining the pain. That something is the nervous system. It learned to produce the signal. It has not yet learned to stop.
The treatment is not another injection. It's teaching your brain that your leg is safe.
This isn't one study. It's a converging body of evidence.
For more than two decades, researchers across multiple institutions have been building a case that changes how we understand chronic pain. The picture that has emerged is consistent: persistent pain often continues not because tissue is damaged, but because the brain's threat-detection system has learned to produce pain as a protective response. This applies to chronic back pain, and it applies to sciatica.
pain-free or nearly pain-free after 4 weeks
That landmark trial included participants with sciatica. The results held at the 12-month follow-up. But the evidence does not stop there. Brinjikji et al. (2015) reviewed thousands of MRI scans and found that disc bulges, herniations, and degeneration are remarkably common in people who feel nothing at all. The imaging finding that seems so definitive is, in many cases, unrelated to the pain.
Stanford's Empowered Relief program demonstrated lasting reductions in pain catastrophising from a single session. Two decades of pain neuroscience education research, led by Lorimer Moseley at the University of South Australia, have consistently shown that understanding how pain works changes how pain behaves. Northwestern University imaging studies have demonstrated that chronic pain corresponds to learned neural patterns, and the same neuroplasticity that wired those patterns can unwire them.
Relief is built on the principles shared across this research: pain education, sensation reappraisal, graded exposure, and safety behaviour withdrawal. Delivered as a 42-session guided program, 5 to 10 minutes a day, on your phone. The science targets the nervous system, not the disc. Because the disc may not be the problem.
Three reasons your sciatica isn't about the disc.
"Disc herniation at L4-L5 with nerve root compression." That language creates fear. Fear sensitises the nervous system. Your brain reads the report as confirmation that something is badly wrong, and it amplifies the pain signal in response. The more terrifying the language, the louder the alarm gets. Research shows that how imaging results are communicated directly affects pain outcomes. The words on the report are doing real neurological work.
No sitting longer than 20 minutes. No bending forward. No lifting anything heavier than a kettle. You've mapped out every posture and movement that you believe might trigger a flare, and you avoid them all. Each avoidance sends a message to the brain: this is dangerous territory. The more you protect, the more the brain decides protection is needed. The cycle tightens. The leg pain stays.
Shooting pain. Numbness. Tingling down the back of the thigh and into the calf. It feels mechanical, like something is physically pressing on the nerve. But central sensitisation can produce identical symptoms without ongoing nerve compression. If the pain fluctuates with stress, eases when you're absorbed in something, or changes in character from day to day, the nervous system is amplifying the signal. The sensations are real. The explanation you've been given may not be.
42 sessions. 6 chapters. Then it's done.
Relief is a finite program, not an open-ended subscription. One session a day, 5 to 10 minutes, audio-led. Each session builds on the last. At the end, you're done.
Learn why the disc finding may not explain your pain. Reinterpret the imaging report. Begin collecting evidence that the sciatica is driven by the nervous system, not by structural compression.
Separate the sensation from the threat story. Start reintroducing the movements you've been avoiding: sitting longer, bending forward, walking without bracing. Starting so small it feels like nothing. Sensation tracking focused on back and leg.
Let go of the safety behaviours: the rigid posture rules, the constant position-shifting, the catastrophic interpretation of every twinge. Build a setback plan. The program ends. The Safety tool stays.
Try it first. Then decide.
The first session is free. No card, no account, no commitment. Other pain apps charge $70 to $130 a year and auto-renew without warning. Relief is different.
Relief was built for sciatica that doesn't match the imaging.
If a specialist has cleared you for serious nerve damage and the pain persists, if it fluctuates with stress rather than strictly with posture, if the injections and physio have not stuck, this program was designed for exactly that profile.
Important: Relief is not a replacement for medical care. If you have not been examined by a qualified healthcare provider, do that first. If your surgeon has recommended surgery based on clear clinical correlation, follow their guidance. This program is for sciatica where the structural explanation does not account for the ongoing pain. Read the full disclaimer.
About sciatica and Relief
But I have a disc herniation. Isn't that the cause?
Not necessarily. Disc herniations appear on MRIs of people with zero pain. A 2015 systematic review by Brinjikji et al. found disc bulges in 30% of 20-year-olds with no symptoms at all. By age 80, the figure is 84%. Your herniation is real, but it may not be what's producing your pain. If your symptoms fluctuate with stress, improve with distraction, or don't match what the imaging predicts, the nervous system is likely amplifying the signal. The disc is there. The question is whether it explains what you feel.
Can sciatica be neuroplastic?
Yes. When sciatica persists beyond the normal healing window for a disc injury, typically 6 to 12 weeks, and when symptoms don't correlate with the structural finding, central sensitisation is a likely driver. The brain has learned to produce pain in the sciatic nerve distribution as a protective response. It fires the signal not because the nerve is currently compressed, but because the neural pathway has been reinforced by fear, avoidance, and threat appraisal. This is the same mechanism that drives persistent back pain, and it responds to the same retraining approach.
Should I still consider surgery?
That's a conversation with your specialist, not an app. Relief is designed for people whose pain persists despite adequate treatment, or whose symptoms don't match the structural findings. If your surgeon has recommended surgery based on clear clinical correlation, progressive weakness, or loss of bladder or bowel function, follow their guidance. If the picture is uncertain, if the imaging shows a bulge but your symptoms don't line up, brain-based retraining targets the nervous system component that imaging and surgery cannot address.
Will the numbness and tingling go away?
Central sensitisation can produce numbness, tingling, and shooting sensations without ongoing nerve compression. These symptoms feel mechanical, but they can be generated entirely by a threat-sensitised nervous system. If your specialist has ruled out progressive nerve damage, cauda equina syndrome, and significant motor loss, these sensations may be part of the brain's threat response rather than evidence of structural harm. As the nervous system calms and the threat appraisal changes, they often resolve. It's not instant. But it is common.
More answers on the FAQ page.
A program that ends. Not a subscription that doesn't.
Most pain apps charge $70 to $130 a year and auto-renew without warning. They give you content libraries, pain journals, and streaks designed to keep you engaged. Every month you stay in pain is another month of revenue. The model is broken.
Relief is a one-time purchase. $14.99. No subscription. No auto-renewal. No coaching upsell. 42 sessions with a beginning, a middle, and an end. When you finish, you delete the app. That is the intended outcome.
Relief also works for
The nervous system mechanism behind sciatica is shared across many chronic pain conditions. If you recognise yourself in more than one of these, that's not a coincidence. It's a sign that the driver is central, not structural.
Back pain that persists when the scan is clear and the physio hasn't helped.
Persistent knee pain with no clear structural cause, or pain that outlasts the injury.
Chronic neck pain and stiffness that follows stress more than posture.
See all conditions at the conditions index.
5 minutes a day.
The disc might not be the problem.
42 sessions. No subscription. No account. Just the science, delivered simply.
One email on launch day.