B A C K G R O U N D Th i s review is based on the report of the subcommittee for the study of endemic goiter and i od ine deficiency o f the European Thy ro i d Assoc iat ion (1,2). Ep idemio log i e Information on the prevalence o f goiter and al imentary iodine supply is scanty for most European countries. A l though regional data are avai lable, these do not necessarily reflect the Situation...