FDA has approved this laser for the treatment of chronic lower back pain. This was accomplished in a clinical experiment that was double-blind and placebo-controlled. (After a follow-up assessment after two months) study participants reported a 58% reduction in pain. In the experiment, it was determined that the FX635 was successful in treating persistent lower back pain, and quick cl... https://theomnibuzz.com/how-does-the-erchonia-fx-635-compare-in-effectiveness-to-traditional-pharmacological-treatments/