Laser therapy involves the use of low-level lasers or light-emitting diodes (LEDs) to stimulate cellular function at the molecular level. The light energy penetrates the skin and is absorbed by the cells, triggering a series of biological responses that promote healing and reduce inflammation. The therapeutic effects of laser therapy are attributed to a process called photobiomodulation. When light is absorbed by cells, it enhances cellular metabolism, increases ATP production (the energy currency of cells), and promotes the release of nitric oxide. These changes have a positive impact on cellular function and contribute to the healing process.