This book discusses, in relatively simple language, the importance of even minute amounts of certain trace elements for the protection of human health and how insufficiency or excess may produce serious diseases. It also examines the use of metal chelators in the treatment of such diseases. Trace Element Medicine and ChelationTherapy looks at the role of metal ions in the evolution and development of living systems and reviews the elemental composition of the human body, the essential biochemistry of metal ions, metal complexes, and the concepts of chemical speciation, as well as the interact