Posts in LED Infrared Light
Can osteoarthritis be treated with light?

Osteoarthritis is becoming more problematic as the population ages. Recent reports suggest that the benefit of anti-inflammatory drugs is unimpressive and the incidence of side effects is worrying. Low-level laser (light) therapy (LLLT) is an alternative approach with no known side effects and with reports of substantial therapeutic efficacy in osteoarthritis. In this issue of Arthritis Research & Therapy, Alves and colleagues used a rat model of osteoarthritis produced by intra-articular injection of the cartilage-degrading enzyme papain to test 810-nm LLLT. A single application of LLLT produced significant reductions in inflammatory cell infiltration and inflammatory cytokines 24 hours later. A lower laser power was more effective than a higher laser power. However, more work is necessary before the title question can be answered in the affirmative.

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Light Therapy and Arthritis

Arthritis is the leading cause of disability, characterised by recurrent pain from inflammation in one or more joints of the body. While arthritis has various forms and is typically associated with the elderly, it can actually affect anyone, regardless of age or gender. The question we will answer in this article is – Can light be used effectively for treatment of some or all types arthritis?

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