Red light therapy (RLT) is designed for treating pain, wounds, and ulcers. But does it really work? And if so, does it work -better- than other existing treatments? The jury still seems to be out from a scientific standpoint, but there’s some evidence that RLT could have valuable benefits in some cases. Here’s what we know. What is Red Light Therapy? - Red Light Therapy, or RLT, uses -low-level wavelengths...