Green LED Therapy Eases Pain in Fibromyalgia Patients, Study Suggests

Green LED Therapy Eases Pain in Fibromyalgia Patients, Study Suggests
Green LED (light-emitting diodes) therapy can ease pain and improve quality of life in people with fibromyalgia, a small clinical trial suggests. While the results are preliminary, they support further investigation into green LED therapy as a possible non-pharmacological treatment for fibromyalgia and other pain-related conditions, researchers said. The study, "Skip Nav Destination Green Light Exposure Improves Pain and Quality of Life in Fibromyalgia Patients: A Preliminary One-Way Crossover Clinical Trial," was published in the journal Pain Medicine. Since the causes of fibromyalgia are not understood, treatment of the condition focuses on managing symptoms, most notably pain. Yet, the side effects of existing medications and the limited benefits of physical therapy warrant new treatment strategies. Light-based therapies have shown efficacy at treating conditions including depression and back pain. Preclinical research done in rats indicated that exposure to green light, specifically, could ease pain. Other studies have suggested that being in environments that are rich in the color green, such as forest bathing (shinrin-yoku), also may ease pain. Now, researchers in the U.S. have reported the effects of green LED therapy on 21 people with fibromyalgia who were recruited from the University of Arizona chronic pain clinic. The participants ranged in age from 26 to 75 (average age 53.2). All but one participant were women. In the clinical trial (NCT03677206), the participants first underwent up to 10 weeks of treatment with white LED therapy, for one to two hours per day. Then, after a two-week washout period, they were given up to 10 more weeks of green LED therapy, also for one to two hours per day, while being encouraged to engage activities such a
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