Cold laser therapy is a controversial alternative medicine treatment. It is a method of exposing the tissue to low levels of red and near-infrared light. The levels are low in comparison to other laser therapies that produce heat, such as those used for cutting or ablation. Other names for cold laser therapy are low-intensity laser light therapy (LLLT), soft laser therapy, and low-power laser therapy. Different wavelengths are needed to treat specific conditions. The light energy goes right through your skin. It has the ability to penetrate two to five centimeters into tissues, where it triggers a physiological reaction. The reaction may reduce inflammation, improve circulation, and promote healing. This therapy can be used to treat a number of problems, including knee pain due to injury or osteoarthritis. What happens during the laser treatment for arthritis in the knees? Laser therapy is administered with a small handheld device in an office setting. It is a non-invasive procedure th...