As modern biology and chemistry show, jade contains many healthful trace elements for the human body, such as gold, silver, silicon, iron, magnesium and manganese etc.. Since jade fully accumulates much of the essence, the healthful trace elements will infiltrate the human skin and into the body, supplementing what's necessary to you, thus balancing the ying and yan poles of the body, keeping you healthy. If you use jade matting for a long time, it can do you good by facilitating the blood circulation, expediating the metabolic efficiency; preventing illnesses like elderly dementia, osteoporosis and vein thickening; it can also detoxicate harmful heavy metals like cadmium and lead, thus enhancing the immune functionality against illness as well as cancers. Jade stones have also "photoemission" in that it creats a magnetic field which emits a lengthy infrared ray that can be aborbed by huaman body, this photoemission proccess induces resonance of water molecules in cells which effects massage functionality. In this way the body mechanism can be adjusted and improved and thus enhancing the immune system functionalities. So in chinese medicine there's a saying goes as: "some ailments that failed by treatment of pharmaceutical get healed by persistent adorning of jade wares", it's not ungrounded.