Metabolic health and pain · St. Louis
Metabolic bloodwork at a pain visit is not an upsell. It is half a diagnosis a scan cannot show you.
A disc, a joint or a nerve does not exist apart from the rest of your body. Metabolic inflammation and insulin resistance change how much any of them hurts and how fast any of them heals. That is why a lab draw is part of a pain visit here, not a separate errand.

How does metabolic inflammation make pain worse?
Metabolic inflammation is a low-grade inflammatory state that runs through the whole body. Excess visceral fat (the fat packed around your organs) and insulin that stays high drive it. It does not stay inside the liver and the fat cells that make it. Inflammatory signals in the blood cross into the nervous system and sensitize it. They lower the point at which a nerve fires and make the signal louder once it does. Two people with the same disc herniation can have very different pain levels because one of them is also running this background inflammatory load and the other is not. Research on central sensitization increasingly treats neuroinflammation (inflammation in the nervous system) as a driver of chronic and widespread pain in its own right. It is not just a bystander to whatever the scan shows.
Can insulin resistance cause chronic pain?
Insulin does more than manage blood sugar. It is a growth and repair signal. When tissue becomes resistant to it, repair slows down everywhere — discs, tendons, nerve sheaths, all of it. In patients with fibromyalgia, insulin resistance has been directly associated with central pain severity, independent of body weight. That is not a side note. It is a mechanism. The same resistance that raises blood sugar also dulls the repair signal a torn or irritated structure needs to calm down.
What does high blood sugar do to discs and joints?
Discs, ligaments and joint capsules are built mostly from collagen. Collagen soaked in high blood sugar for years goes through glycation. Sugar molecules attach to the collagen fibers and lock them together (cross-linking) into a stiffer, less springy structure. In laboratory studies, advanced glycation end-products measurably reduce disc cells’ production of proteoglycans, the molecules that give a disc its cushion. Picture a disc that is both under mechanical stress and chemically stiffened by years of high glucose. It is working with less margin than the same disc in a metabolically healthy person. That is one more reason two people with the same MRI can have very different outcomes.
Why do nerves heal more slowly with insulin resistance?
Nerve roots and the small structures around a joint depend on tiny blood vessels for oxygen and food. Insulin resistance damages exactly those vessels first, long before it shows up as a diagnosable vascular disease anywhere else. A nerve root with a poor local blood supply heals its irritation more slowly after a block, an ablation, or simple time. That holds no matter how correctly the target was found. This is the biological driver that most often explains a technically correct procedure that still underperforms. The treatment was not wrong. The supply line to the target was already strained.
The spinal Warburg effect
Chronically sensitized spinal cord tissue acts, in some ways, like tissue under metabolic stress elsewhere in the body. It leans on faster, less efficient energy pathways to keep up with a nervous system that will not turn its alarm off. This is the practice’s working model for why chronic pain can keep itself going even after the original injury has healed. We present it here as a clinical position rather than a single settled citation, because the direct evidence in human spinal cord tissue is still developing. It sits inside the broader, better-established pattern above: inflammation, resistance and poor circulation all pushing the same nervous system to stay switched on.
The population numbers
under 7%
of US adults are metabolically healthy on the tighter cardiometabolic criteria applied to NHANES data after 2021. The earlier NHANES 2009–2016 definition put it at under 12.2%, so the figure has roughly halved in a decade. Both are the general population, not a pain clinic’s.
Inside this clinic’s overall population, under 3% meet the same standard. Among its chronic pain patients specifically, under 1% do. Practice-reported figures from our own population, not trial outcomes, and individual results vary — but the gradient is the point. The more entrenched the pain, the more likely metabolic dysfunction sits underneath it. That is exactly the pattern the mechanisms above predict.
What blood tests check for insulin resistance and inflammation?
A pain-visit panel usually looks at fasting glucose and insulin, HbA1c, a lipid profile and markers of systemic inflammation. We read them together rather than one at a time. A normal glucose with high fasting insulin is still insulin resistance, and reading only the glucose misses it. Where the terrain is off, the answer is not a separate weight-loss program bolted onto the pain plan. It is dietary and behavioral change sized to what the labs actually show. It runs alongside whatever interventional step the joint or nerve itself needs. See sleep, movement and behavior.
Frequently asked questions
Do I need bloodwork even if my pain is clearly from an accident?
Usually yes, because the terrain affects how quickly you recover from the injury itself, not just whether you have a chronic condition. See after a car accident for how that fits into an accident-related workup.
Will you put me on a diet?
Only if the labs support it. Any changes are sized to what is actually abnormal rather than a generic plan. Details on how that is delivered are at sleep, movement and behavior.
Can fixing my metabolic health replace a procedure?
No. It changes how well a procedure works and how long relief lasts. But a structural problem like a compressed nerve root still needs a structural answer. When injections stop working covers how the two interact.
I am not overweight. Does this still apply to me?
Yes. Insulin resistance and metabolic inflammation are measured in blood, not on a scale, and normal-weight patients can carry either. About Dr. Padda covers why this practice treats metabolic and pain medicine as one field rather than two.
Can you have insulin resistance with normal blood sugar?
Yes. A normal glucose with an elevated fasting insulin is still insulin resistance, and reading the glucose alone misses it. That is why the panel at a pain visit reads fasting glucose and insulin, HbA1c, a lipid profile and inflammation markers together rather than one at a time. It is also why a patient at a normal weight can carry it: insulin resistance is measured in blood, not on a scale.
Does insulin resistance make back pain worse?
It can. Metabolic inflammation lowers the threshold at which nerves fire, so two people with the same disc herniation can hurt very differently. High blood sugar stiffens the collagen in discs and ligaments, and in lab studies it cuts disc cells’ production of the molecules that cushion the disc. Insulin resistance also damages the tiny blood vessels that feed nerve roots, so irritation settles more slowly.
Why does pain keep going after an injury has healed?
Because the nervous system can stay switched on. Inflammation, insulin resistance and impaired circulation all push a sensitized spinal cord to keep sounding the alarm. The practice’s working model, the spinal Warburg effect, holds that this tissue leans on faster, less efficient energy pathways, which helps the pain sustain itself. That is why the plan treats the metabolic terrain, not only the spot that was injured.
Related reading
- Sleep, movement and behavior
- What to expect at the first visit
- When injections stop working
- Peripheral neuropathy
- About Dr. Padda
We will look at your blood before we decide your pain is only structural
Bring recent labs if you have them, or plan on a draw at your first visit. It is part of the same appointment, not a second one.
4479 Woodson Rd, Suite 401
St. Louis, MO 63134
Next to St. Louis Lambert International Airport, off I-70 at Woodson Road.
Sources
- Ji RR et al. Neuroinflammation and Central Sensitization in Chronic and Widespread Pain. Anesthesiology, 2018. PubMed 29462012
- Jiang W et al. Inflammation and histone modification in chronic pain. Frontiers in immunology, 2022. PubMed 36713369
- Pappolla MA et al. Insulin Resistance is Associated with Central Pain in Patients with Fibromyalgia. Pain physician, 2021. PubMed 33740353
- Yokosuka K et al. Advanced glycation end-products downregulating intervertebral disc cell production of proteoglycans in vitro. Journal of neurosurgery: Spine, 2006. PubMed 17048769