The relationship of the state of the human habitat, in particular its chemical composition, with indicators of health and quality of life is well known. However, in medicine, unlike biology, agriculture and a number of other sciences, the study and use of this knowledge remains limited and non-demanded by clinical disciplines. The stability of the chemical composition of the body is one of the most important and mandatory conditions for its normal functioning. Accordingly, deviations in the

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... ent of chemical elements caused by environmental, climatic-geographical factors or diseases will lead to a wide range of health disorders. Therefore, the detection and assessment of deviations in the macro and trace elements exchange, as well as their correction, are a promising direction of modern medicine. The development of the mining industry in the Republic of Sakha (Yakutia) is raising questions on the ecology preservation of the northern territories and the impact that ecology has on human health. The purpose of our work is to identify the features of elemental status in children living in the diamond-producing and coal-mining regions of the Republic of Sakha (Yakutia).