Beneficial Uses and Production of Isotopes : 2000 Update Isotopes radioactive and stable are used worldwide in various applications related to medical diagnosis or care industry and scientific research. More than fifty countries have isotope production or separation facilities operated for domestic supply and sometimes for international markets. This publication provides up to date information on the current status of and trends in isotope uses and production. It also presents key issues conclusions and recommendations which will be of interest to policy makers in governmental bodies scientists and industrial actors in the field.