. Far infrared rays (FIR) and negative IONS from jade & tourmaline stones have been known to: relieve pain in the muscles, joints, nerves, reduce tension, stress, anxiety and depression, help stimulate fat loss and reduce the build-up of free radicals in the body, help remove toxins, cleanse the liver and kidneys and eliminate built-up waste throughout the digestive system, improve immune system function, enhancing the body s natural ability to prevent or reverse sickness and disease, improve youthful vigor, energy and stamina