It's not possible to overuse the therapy. Chronic pain usually responds after several treatments. If there is no improvement within 30 days, you know this particular alternative isn't going to work for you. Light therapy, McDonald says, does a number of things to alleviate pain.
Heat helps heal.
Mary Heinkel, a retired nurse and resident of St. Louis, read about Light Force Therapy in a local newspaper. I'm 71 years old, and, like a lot of people my age, I have arthritis. Then I had a bad fall and injured my knee. The injury required orthoscopic surgery and Heinkel was taking a prescribed pain reliever. I knew the drug wasn't curing me.