Pain is the main reason people go to the doctor. Unfortunately, 20% of American adults suffer from moderate to severe chronic pain , as do 13% of North American teens and 10 to 30% of the adult population of Europe.

Its effects are physical, psychological and spiritual. Acute pain is typically a pain with a specific, identifiable cause, and a pain like twisting your ankle that resolves relatively quickly. Additionally, pain becomes chronic when it lasts three to six months.

Chronic pain can stem from an acute injury or surgery, but doesn’t always. The most expensive pain conditions in America are headache, arthritis and back pain. Furthermore, it can affect daily activities such as work, relationships, and sleep.

When pain is persistent, it can lead to mood disorders, depression, even suicide. Recent research suggests that pain can affect the chemistry of the brain and the functioning of the nervous systems.

Other people, including many doctors, may find it hard to believe the severity of persistent pain. (The choice of the word “persistent” is intentional, as “chronic” does not sound hopeful!)

Pain is subjective

How can we really know how much pain someone is in? It is very difficult to describe or measure. “On a scale of 1 to 10, how bad is your pain?” How can we know whether one person’s 8 out of 10 is the same as another’s 8 out of 10?

It is the same conundrum as trying to explain color to a blind person, or trying to describe the taste of jackfruit to someone who has never tasted it. We can try using adjectives like “aching,” “burning,” “sharp,” “shooting,” “radiating,” but these are also imprecise.

Our capacity to communicate about pain is equal to the challenge of describing what love feels like, and how deeply impacting it is.

Protective Response

The human body comes equipped with many protective mechanisms—among them are sneezing, muscle spasms, the fight/flight response… and pain.

Pain is a normal human experience, ensuring our survival. Its job is not only to alert us to danger, but make us stop what we’re doing, move away from the danger and sometimes even go lie down. Imagine the members of the Marsili family in Italy; because of a rare genetic mutation, they feel little or no pain.

That might sound good at first, but consider the potentially dangerous consequences. You could burn yourself or break a bone without knowing it. You could then keep moving and make matters worse.

What is Pain?

Recent advances in pain science focus on the nervous system and the brain. The central nervous system consists of the brain and spinal cord. The peripheral nervous system consists mainly of nerves. When something potentially harmful happens, a message is sent to the brain via nerves and the spinal cord.

Note that the impulse sent is not a pain message, but a danger message. (Neurons cannot tell the difference; they just relay a signal.)

Three things excite the neurons in your pain-danger system: mechanical forces on your tissues, chemical irritations and extremes of hot and cold. The greater the perceived threat, the more neurons jump into action, the more insistent the message.

It is not until the information from the senses reaches the brain, though, that a decision is made about how dangerous it is and whether something needs to be done.

But the pain we feel is not an accurate indication of tissue damage or health. A major injury might not hurt much and a small paper cut can hurt a lot. The brain also deals with information presented on a priority basis. And that is a decision between it and you.

Nervous System: Experience, Not Facts

Nerves are made up of thousands of nerve cells, or neurons. They sense information and send messages via electrical impulse. If the message is loud enough and travels the length of the neuron, the neuron releases chemicals to excite the next neuron.

The chain reaction reaches the spinal cord. If an immediate response is needed, a reflex can be initiated from there. Otherwise, signals may be amplified and sent along to the brain. The brain provide us with experiences, not facts.

The signals lead to brain activity that creates pain. Action impulses from the brain can then influence any system of the body. Usually long before tissue heals, the brain itself reduces the danger signals and its own response, allowing pain to subside so “normal life” can resume.

Pain is Complex

There are 45 miles (72km) of nerves in the body, all collecting information about what is happening inside and outside the body. In the brain alone, there are 100 billion nerve cells. That’s 1,000 trillion connections passing information around the brain.

Pain Can Persist after Tissue Heals

There are cases where, after three to six months, the tissue may have healed, but the pain remains. Many systems have gone on red alert, usually including the emotional systems. Fear and worry feed right back into pain, revving it up. It is harder to pay attention.

Less endorphins, and other feel-good chemicals, are being produced by the brain when there is pain. It becomes harder to feel anything but pain in the body, harder to plan refined movements. Pain can lead the person experiencing it into a spiral—into a lonely, desperate, even life-threatening position.

Revving up the fight/flight response. Courtesy of Neil Pearson

The Nervous System Gets Wound Up

Persisting pain is related to two things: 1) changes in the physical body; and 2) neuroplastic changes in the nervous systems. Pain can get worse because the nervous systems decide to pay closer attention to the danger signals. Excited neurons send even more signals, exciting neighboring neurons.

The threshold of the neuron sensors are lowered. With this much activity, the neurons function as if there is considerable danger and begin to produce inflammation to protect the body. The nervous system is wound up. The neural pathways related to pain expand.

Similar changes of wind-up happen in the brain, and it can seem that positive feedback loops build allowing the changes to create a story of considerable danger, which then loops back to create more pain and more sense of danger. Research shows that understanding this process can help reduce pain.

[“Suffering equals pain multiplied by resistance.” —Shinzen Young]

Pain takes over other functions

When pain is experienced, 200 to 400 parts of the brain can get excited. The pain alarm system becomes hypersensitive. Normal functions of the brain in those areas are altered—some more active and some less. The pain can seem to spread as the signal expands into adjacent areas of the brain.

Day-to-day activities such as thinking, planning and regulating emotions can be impacted. While pain might normally be processed in 5% of the nerve cells in a particular area of the thinking brain, in persistent pain, it can expand to 15–25% of the cells. The brain learns pain.

When the signals subside, no more pain.

Courtesy of Michael Moskowitz, M.D. and Marla Golden, D.O. and the neuroplastix.com website

The Body Map/Subjective Memory

The brain relies on being able to feel the body. It “sees” the body differently than we see ourselves. Given the large number of nerve endings in the skin, the brain receives more detailed information about the skin than what’s inside it. The more information, the bigger that body part becomes in our internal “body map.”

Pain distorts how the brain perceives the body (as do memories, anxiety, preconceived ideas, etc.). A person with hand pain, may literally experience the hand being larger than normal.

We may experience joint stiffness or pain; in actuality, the problem is in the nervous systems, not only in the body. The brain is sending the wrong signals. More things trigger the pain, even the slightest stress.

You Can Change Pain

Is the red dot inside or outside the cube? If you can change how you see this cube, that means you can change how you perceive visual inputs to your brain. And if you can do that, do you think you can change how your brain perceives danger signals?

If we are too quick to run from pain, or medicate it, we miss what it is trying to tell us. If we allow the battle to be between the doctor and the disease and think the solution is outside ourselves, we never get a chance to find the inner resources to face the situation, or find our own solutions to the problem. When we work together with Nature, different outcomes are possible.

What is Neuroplasticity?

The good news is that the nervous system is adaptable and constantly changing. Nerve cells in the brain change connections and behavior when new information is presented. One function of the brain can be transferred to an adjacent area of the brain if needed.

If someone is blind, the areas of the brain that process visual information are free to process information from other senses. Thus there can be heightened awareness in other senses. If we don’t exercise a brain function, our potential in that area decreases. Equally, we get better at whatever we practice.

• Education in pain neuroscience can help put the ball in our court. The nerves will learn whatever we practice. Thanks to neuroplasticity, we have the power to influence how the nervous system functions.  It is not necessarily easy or quick, but it is feasible. 

• Neurons can be changed by almost anything—how we move, by input through our skin, how we stretch, what we think, what we see, our environment, what we believe, our emotions, etc. We have the ability to change each of these things, so we have considerable power to change how our neurons work
  

• Sensors at the end of nerves are replaced every few days. We have some influence on the sensitivity of the new sensors. Given that there are trillions of sensors in your body, and thousands are replaced every second.

“More time in a calmer state, more opportunity for positive change.” —Neil Pearson

Every second your nervous system is in a state of more calmness, your body has the opportunity to replace the highly sensitive ones with the more normal (low sensitivity, high threshold) sensors.

•  Brain chemistry changes when we practice finding ways to be happier. The fight/flight response causes the release of cortisol, which leads to more pain. Endorphins are produced when we are more content. Older adults with arthritis who are in good marriages experience less pain than those who are single or in unsupportive relationships.

• According to Neil Pearson, “One endorphin molecule may be able to block as many as 50 danger signals.” This makes endorphins even more powerful than morphine—but with pleasant side effects.

Keep Moving

Movement is an essential approach for successful pain care. The hypersensitive nervous systems are wary of movement, though. We move tentatively and an internal warning alarm comes on—even before there is any real danger— so we stop.

However, to work towards regaining ease of movement, we must first be calm and attentive, then move up to and just beyond the edge of the pain. As the alarm goes off, ask, “Is it really dangerous? Will I regret it? Maybe this is just a normal situation.”

By challenging the alarm, we turn it down. Muscles need to be taught that it’s okay to move and stretch. We must reconnect with body sensations, paying more attention to them than to the pain.

The body will protect you from tissue damage. Once there is chronic pain, the warning alarm comes on prematurely. We believe there is danger sooner, so we give in to the alarm. Mobility decreases. 

Courtesy of Neil Pearson

How Yoga Helps

Pain can be changed. And so can suffering associated with pain. Pain does not have to equal suffering. All is changing. Pain will change. In Yoga we learn to observe, accept what is and do our duty, putting aside personal preference. The experience is not about pain, it is what is behind the pain that brings insight into deeper truths. We go beyond our limited idea of self and expand.

Used as a therapeutic treatment, yoga helps relieve pain and muscular tension, fostering greater ease of movement and building self-reliance. Physical, mental and spiritual self-awareness and self-regulation improve. Feelings of anxiety, fear and isolation are reduced and a better quality of life can be found. It is accessible, less costly than medical intervention and has long-lasting effects—setting us on the journey to connect with the holistic Self, highest Self, the Perfect Self.

The five points of Yoga are the best medicine:

Longer, Smoother, Softer Breathing Practice

In any comfortable position, focus on your breathing. It doesn’t have to be any particular way, just watch it for a minute or so. Next, see if you can make it a little longer. Observe for another minute. Then, see if you can make it a little smoother. Observe. Finally, can you make it a little softer?

• Proper Relaxation – It is difficult not to focus on pain when it is severe. It is also challenging to relax. Practice a body scan in savasana (or sitting, if it’s more comfortable) to build body awareness. 

Body Awareness Practice

Starting with the feet and toes, pay attention to any subtle, non-pain sensations. Take your time and go through the entire body. This can prepare you to move calmly into an adapted yoga sequence with ease and confidence.

• Proper Diet – The yogic (vegetarian) diet can help reduce pain and inflammation, and can even help reduce side effects of medications.

Anti-Inflammatory Diet

Eat lots of vegetables, beans, fruits and a variety of whole grains. Include nourishing fats and high-quality protein.

Use ginger and turmeric. Restrict dairy and grains. Reduce flour and sugar intake. Avoid nightshade vegetables—potatoes, tomatoes, peppers and eggplant and processed food.

—Swami Sivasankariananda

With gratitude to Neil Pearson, a Canadian physiotherapist, professor and yoga therapist, who is extremely generous with his significant wisdom regarding the latest advances in understanding pain.

This article was reproduced and edited from Sivananda Yoga Life magazine, spring/summer 2018 issue. No part of this article may be reproduced in any form without the written permission of the author. 

This Holiday Season, offer the perfect gift of peace to you loved ones. A Yoga Retreat is a wonderful gift and is a great way to rejuvinate, relax, and reconnect. The Sivananda Yoga Farm is offering 15% off for all program tuitions except for Teacher Training, Advanced Teacher Training, or Sadhana Intensive.

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