Low-level laser therapy
Low-level laser therapy
Low-level laser therapy (LLLT), also known as cold laser therapy or photobiomodulation, is a form of medical therapy that uses low-level (low-power) lasers or light-emitting diodes to alter cellular function. Pronounced as /loʊˈlɛvəl ˈleɪzər θɛrəpi/, the term originates from the English words "low", "level", "laser", and "therapy".
History
The use of light for healing has a long history. The modern development of LLLT began in the 1960s with the invention of the ruby laser and the helium-neon (HeNe) laser. The term "low-level laser therapy" itself was coined in the late 1980s.
Mechanism of action
LLLT works by applying a low power laser to the surface of the body, which penetrates the skin to a certain depth. This is believed to stimulate the cells in a process known as photobiomodulation, which leads to various therapeutic effects.
Applications
LLLT is used in various medical fields, including physiotherapy, dentistry, and veterinary medicine. It is used to treat a variety of conditions, such as pain, inflammation, and wound healing.
Safety and effectiveness
The safety and effectiveness of LLLT are still under investigation. While some studies have shown positive results, others have found no effect. Therefore, more research is needed to establish the safety and effectiveness of LLLT.
See also
References
External links
- Medical encyclopedia article on Low-level laser therapy
- Wikipedia's article - Low-level laser therapy
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