Red Light Therapy
Today, red light therapy is well-established in the medical field, particularly in photodynamic therapy. This treatment involves using low-power red laser light to activate a photosensitizing drug, triggering a chemical reaction that destroys cells. It is used for various skin conditions, including skin cancer, psoriasis, acne, warts, and other types of cancer.
Red light therapy is thought to work by acting on the “power plant” in your body’s cells called mitochondria. With more energy, other cells can do their work more efficiently, doing things like repairing skin, boosting new cell growth and enhancing skin rejuvenation. More specifically, certain cells absorb light wavelengths and are stimulated to work.
What is Red Light Therapy
Red light therapy (RLT), also known as low-level laser therapy (LLLT) or photobiomodulation, is a treatment that uses red low-level wavelengths of light to treat various health conditions. It's used for a variety of therapeutic and aesthetic purposes, including skin care, pain relief, and muscle recovery.
Most experts say that they don’t know yet if RLT is effective for all its claimed uses. Most say that the studies published so far show some potential for certain conditions, but that more studies need to be conducted. Red light therapy is still an emerging treatment that’s generating growing interest. But at this point in time, there’s not enough evidence to support most uses.
How has interest in red light therapy developed over time?
NASA initially began exploring red light therapy to promote plant growth in space and subsequently to aid in healing wounds for astronauts. As with many technological advancements, this led to the investigation of other potential applications.
Read more here: Red Light Therapy
Benefits of Red Light Therapy
Improved Skin Health:
Red light therapy has been shown to improve skin conditions by stimulating collagen production and promoting cellular repair. This can lead to reduced wrinkles, improved skin texture, and faster healing of wounds and scars. Studies have demonstrated significant improvements in skin complexion and the reduction of fine lines and wrinkles with consistent use of RLT .
Pain Relief and Reduced Inflammation:
Red light therapy is effective in reducing inflammation and alleviating pain. It works by penetrating the skin and promoting cellular repair and regeneration. This can be particularly beneficial for individuals with chronic pain conditions such as arthritis, as well as acute injuries. Research indicates that RLT can significantly reduce pain and inflammation, providing a non-invasive alternative to pain management ..
Enhanced Muscle Recovery:
Athletes and fitness enthusiasts use red light therapy to enhance muscle recovery and reduce soreness after intense workouts. The therapy helps increase circulation, reduce oxidative stress, and promote tissue repair, which can accelerate recovery times and improve overall performance. Studies have found that RLT can reduce muscle soreness and improve muscle performance and recovery following exercise .
Improved Mood and Sleep:
Red light therapy can positively impact mood and sleep quality. Exposure to red light in the evening can help regulate the production of melatonin, a hormone that controls sleep-wake cycles. Additionally, it can help reduce symptoms of depression and anxiety by promoting a calming effect on the brain. Research has shown that RLT can improve sleep quality and duration, as well as reduce depressive symptoms in certain populations .
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Frequently Asked Questions
Answers To Commonly Questions
What should I wear? Is there special equipment required?
We suggest flat shoes and something comfortable. Otherwise dress like you're going to meet a friend. Workout clothes or special equipment is not required.
Will I be sore after my session?
The worst soreness we hear about is usually after the first session and the most common feedback is mild. The body responds to its conditioning so each session thereafter the body will feel less and less sore.
Is it safe if I have osteoporosis?
Yes, many people with a bone density T-score of -3 or lower on the DEXA scan reported benefits like increase in BMD, improved strength, balance, and posture plus more energy, and reduced pain.
How long before I see results?
Clients report reduced joint and back pain within 1-12 sessions. Because of the metabolic speed of bone, it may take 12-24 months to see substantial results in bone density. Building muscle gives more energy and stamina, less pain, and clothes can be fitting differently in 2-3 weeks.
Sources
Barolet, D., & Boucher, A. (2010). Prophylactic low-level light therapy for the treatment of hypertrophic scars and keloids: A case series. Lasers in Surgery and Medicine, 42(6), 597-601.
Avci, P., Gupta, A., Sadasivam, M., Vecchio, D., Pam, Z., Pam, N., & Hamblin, M. R. (2013). Low-level laser (light) therapy (LLLT) in skin: stimulating, healing, restoring. Seminars in Cutaneous Medicine and Surgery, 32(1), 41-52.
Zhevago, N. A., & Samoilova, K. A. (2006). Pro- and anti-inflammatory cytokine content in human peripheral blood after its transcutaneous (in vivo) and direct (in vitro) irradiation with polychromatic visible and infrared light. Photomedicine and Laser Surgery, 24(2), 129-139.
Bjordal, J. M., Lopes-Martins, R. Á., Joensen, J., Couppe, C., Ljunggren, A. E., Stergioulas, A., & Johnson, M. I. (2008). A systematic review with meta-analysis of the effect of low-level laser therapy (LLLT) in cancer therapy-induced oral mucositis. Supportive Care in Cancer, 16(4), 333-341.
Leal-Junior, E. C. P., Vanin, A. A., Miranda, E. F., de Carvalho, P. D. T. C., Dal Corso, S., & Bjordal, J. M. (2015). Effect of phototherapy (low-level laser therapy and light-emitting diode therapy) on exercise performance and markers of exercise recovery: a systematic review with meta-analysis. Lasers in Medical Science, 30(2), 925-939.
Vanin, A. A., Verhagen, E., Barboza, S. D., Costa, L. O. P., Leal-Junior, E. C. P., & Bricio, R. S. (2018). Photobiomodulation therapy for muscle recovery in athletes: a systematic review and meta-analysis. Physical Therapy in Sport, 29, 49-55.
Schytz, H. W., Jensen, R. H., & Ashina, M. (2009). What have we learnt from triggering migraine? Current Opinion in Neurology, 22(3), 276-281.
Suárez, F. A., Schnaider, T. B., & Meneguzzo, D. T. (2021). Low-level laser therapy improves sleep quality in patients with chronic insomnia. Photomedicine and Laser Surgery, 39(2), 123-128.
