Why Pain Is Not a Damage Meter (And What It Actually Is Measuring Instead)

By Andrew Kakishita, DC | Lehi, UT

Understanding Pain Beyond Tissue Damage

Most people are taught to think of pain as a direct indicator of damage. If something hurts, something must be injured. If it hurts more, the problem must be worse. This seems logical, but modern pain science shows that this is not how pain actually works.

Pain is better understood as an output from the nervous system. It is a protective response created by the brain and spinal cord based on perceived threat, not just physical damage.

This becomes especially clear when looking at disc herniations.

The Reality of Disc Herniations

Research has consistently shown that a large percentage of people with no back pain at all have disc bulges or herniations on imaging. These findings are extremely common, especially as people age.

This means a disc herniation is not automatically a painful condition. It is a structural finding, not a pain diagnosis.

Yet when someone is told they have a “herniated disc,” the emotional reaction is often fear. Many people interpret this as something being broken or permanently damaged. That fear alone can increase muscle tension, reduce movement, and heighten sensitivity in the nervous system.

Why Pain Does Not Match Damage

Pain is influenced by many factors beyond tissue state. These include stress levels, sleep quality, past experiences, movement habits, and even how threatening a situation feels.

Two people can have the exact same MRI findings and experience completely different symptoms. One may have pain, while the other feels nothing at all.

This difference highlights an important truth. Pain is not a damage meter. It is a protective interpretation.

What This Means for Recovery

Understanding this changes how people respond to diagnoses. Instead of assuming the body is fragile or broken, it becomes possible to view findings like disc herniations as something the body often adapts to.

This reduces fear, which often allows movement to return more naturally. And in many cases, improving movement and confidence is one of the most important parts of recovery.