USTIFICATION FOR IDENTIFYING SELENODEFITSITNYH AREAS IN UKRAINE AND ORGANIZATIONS CORRECTIVE MEASURES (literature review and own data)
The paper presents an analysis of the publications based on the results of experimental, clinicaland epidemiological studies on the role of selenium in the normal functioning of the thyroid gland,eﬃcacy of selenium in autoimmune thyreopatologii and modern understanding of its mechanisms.The results of research of level the selenium level in the hair of adolescents aged 14 - residents ofsome settlements Balakleysky and Chuguevsky areas of the Kharkiv region, was investigated. It wasindicated the presence of selenium deﬁciency in these areas and the severity of which was the largest inthe Chervonyy Donets village. When thyroid sonography revealed its increasing its volume in 64.3 %of cases.