The application fields of red - light therapy are quite extensive, mainly including the following aspects:
- Musculoskeletal pain: It can be used to relieve back pain, neck - and - shoulder pain, joint pain, etc. For example, for neck - and - shoulder pain caused by long - term desk - bound work, red - light therapy can penetrate the skin and act on the muscle and joint tissues at the pain site, promoting local blood circulation, reducing inflammatory responses, and thus relieving pain.
- Neuralgia: Such as sciatica. Red - light therapy promotes the repair of damaged nerves by stimulating the tissues around the nerves, reducing nerve compression and inflammation, and thereby alleviating neuralgia.
- Arthritis: Including rheumatoid arthritis and osteoarthritis. Red - light irradiation on the joints can reduce the inflammatory response of the joint synovium, inhibit the production of inflammatory factors, relieve joint swelling and pain, and improve joint function.
- Soft - tissue inflammation: Such as tendonitis, tenosynovitis, etc. Red light can accelerate the cellular metabolism at the inflamed site, promote the resolution of inflammation, and accelerate the repair of damaged soft tissues.
- Post - surgical wounds: For example, wounds after abdominal surgery, orthopedic surgery, etc. Red light can stimulate the proliferation of fibroblasts and the synthesis of collagen, accelerating the wound - healing process and reducing the risk of infection.
- Chronic non - healing wounds: Such as diabetic foot ulcers, pressure sores, etc. Red - light therapy can improve local blood circulation, enhance the tissue's repair ability, and promote the healing of these chronic wounds.
- Adjuvant treatment of cardiovascular diseases: To some extent, it can improve myocardial blood supply. By stimulating vascular endothelial cells to produce nitric oxide, it dilates blood vessels, reduces blood viscosity, and assists in the prevention and treatment of cardiovascular diseases.
- Adjuvant treatment of respiratory diseases: For some chronic bronchitis, asthma and other diseases, red - light irradiation on the chest can regulate the immune system, reduce respiratory inflammation, and relieve symptoms.
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- Wrinkle reduction: By stimulating the metabolism of skin cells, promoting the synthesis of collagen and elastic fibers, the skin becomes more firm, reducing facial wrinkles such as crow's - feet and frown lines.
- Improvement of skin laxity: Red light can act on the dermis of the skin, improving skin elasticity and ameliorating the skin laxity caused by aging, weight loss, etc.
- Acne treatment: It can reduce the number of Propionibacterium acnes, alleviate inflammatory responses, promote acne healing, and reduce the formation of acne scars at the same time.
- Repair of skin allergies: After a skin allergic reaction occurs, red - light irradiation can relieve symptoms such as skin redness, swelling, and itching, and accelerate the repair of the skin barrier function.
- Promote hair growth: When applied to the scalp, red light can stimulate hair follicle cells, increase the blood supply to hair follicles, and promote hair growth. It has a certain adjuvant therapeutic effect on androgenetic alopecia, alopecia areata, etc.
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- Muscle strain and overuse injury rehabilitation: After athletes or fitness enthusiasts experience muscle strains or overuse injuries, red - light therapy can accelerate the repair of muscle tissues, relieve muscle pain, shorten the rehabilitation time, and help them return to training and competition as soon as possible.
- Joint function rehabilitation: For the rehabilitation after joint injuries, such as meniscus injury of the knee joint, sprained ankle, etc., red light can promote the repair of joint cartilage and surrounding tissues, improve joint mobility, and enhance joint function.
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