This fascinating work features such topics as the relationships between iodine deficiency and goiter, fluorine deficiency and caries, selenium deficiency and muscular degeneration, mercury surplus and specific nerve diseases, cadmium surplus and kidney failure. This one-of-a-kind volume reveals discoveries which may be of importance in future preventive medicine for man and animals. It shows that the comprehensive progress in chemical analyses has established a valuable basis for determining many environmental features and for the foundation of modern geomedicine. Those involved with geology, soil science, nutrition, biology, veterinary sciences, and prophylactic socio-medical sciences will find this resource indispensable.