Mindfulness meditation provides opioid-free pain relief, study finds

March 15, 2016, Wake Forest University Baptist Medical Center
A collective meditation in Sri Lanka. Image: Wikipedia.

Everyone knows that stubbing your toe hurts. What makes it stop hurting is the body's main pain-blocking process - the natural production of opioids.

Cognitive-based approaches found to reduce , such as hypnosis, acupuncture, distraction and even the placebo response, have been shown to work through this system. But does also use opioids to reduce pain?

In a study published in the current issue of the Journal of Neuroscience, a team led by Fadel Zeidan, Ph.D., assistant professor of neurobiology and anatomy at Wake Forest Baptist Medical Center, reports that mindfulness meditation does not employ the endogenous opioid system to reduce pain.

"Our finding was surprising and could be important for the millions of sufferers who are seeking a fast-acting, non-opiate-based therapy to alleviate their pain," Zeidan said.

The Institute of Medicine estimates that approximately 100 million Americans suffer from chronic pain at a cost of more than $600 billion annually for treatment. And due to the increase in the number of people addicted to opiate drugs, from prescription medications to heroin, the Centers for Disease Control has labeled the problem an epidemic.

To determine if meditation uses the body's opioids to reduce pain, the Wake Forest Baptist researchers injected with either a drug called naloxone, which blocks the pain-reducing effects of opioids, or a saline placebo.

In this randomized, double-blinded study, 78 healthy, pain-free volunteers were divided into four groups for the four-day (20 minutes per day) trial. The groups consisted of: meditation plus naloxone; non-meditation control plus naloxone; meditation plus saline placebo; or non-meditation control plus saline placebo.

Pain was induced by using a thermal probe to heat a small area of the participants' skin to 49 degrees Centigrade (120.2 degrees Fahrenheit), a level of heat most people find very painful. Study participants rated their pain using a sliding scale.

Zeidan found that the participants' pain ratings were reduced by 24 percent from the baseline measurement in the meditation group that received the naloxone. This is important because it showed that even when the body's opioid receptors were chemically blocked, meditation still was able to significantly reduce pain by using a different pathway, he said. Pain ratings also were reduced by 21 percent in the meditation group that received the placebo-saline injection.

By comparison, the non-meditation control groups reported increases in pain regardless of whether they got the naloxone or placebo-saline injection.

"Our team has demonstrated across four separate studies that meditation, after a short training period, can reduce experimentally induced pain," Zeidan said. "And now this study shows that meditation doesn't work through the body's opioid system.

"This study adds to the growing body of evidence that something unique is happening with how meditation reduces pain. These findings are especially significant to those who have built up a tolerance to opiate-based drugs and are looking for a non-addictive way to reduce their pain."

The next step for Zeidan's team is to determine if and how can affect a spectrum of .

"At the very least, we believe that meditation could be used in conjunction with other traditional drug therapies to enhance without it producing the addictive side effects and other consequences that may arise from opiate drugs," he said.

Explore further: Mindfulness meditation trumps placebo in pain reduction

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Steelwolf
3.7 / 5 (3) Mar 15, 2016
Being a chronic pain sufferer I can speak positively for this directly. I HAD to learn how to meditate as a child after having been hit by a car and suffering a broken neck. I HAD to learn how to Hold that meditative state, as this article states, a Mindfulness Meditation Does work to, if not reduce the pain, makes the pain more bearable. I have been able to consciously 'turn down the volume' on certain types of pain. Muscle and extremity pain can be reduced as can much internal pain. Back, facial and neck pain are more intractable, however, and with the direct nerve pain involvement it tends to require medication on top of the meditation. Marijuana, the THC and cannibinoids, also help with pain relief along with the opioids and meditation. I have had my neck rebuilt once, and I know what the extremes of pain are and live with a level that most would make most bedridden. It took extreme Pancreatitis to match the spinal pain and takes all three methods for me to make it 'bearable'.

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