In children with sonographic signs of AIT from the settlements of Vitebsk and Minsk regions, a reduced content of both iodine and selenium and zinc in the body was revealed, which is a distinctive feature of microelement provision from healthy children. The content of selenium and iodine in the hair of this group of children is 1.52 times lower than in the group of healthy children and 2-3 times lower than the lower indicators of normative values. The low content of iodine in the body is due to the insufficient intake of iodized salt in 50-60 % of the surveyed school children and pregnant women in almost all the regions surveyed. In children with sonographic signs of AIT, a pronounced iodine-selenium-zinc deficiency has been established, which may be one of the reasons for the decrease in the level of antioxidant protection of the body and one of the main factors responsible for the formation of AIT in various regions of Belarus.

Taking into account the important role of a number of essential trace elements in protecting the thyroid gland from the action of negative anthropogenic and natural factors in critical groups of the population living in the area where the Belarusian NPP is located, the body’s provision with selenium, zinc and iodine for primary school children and pregnant women was studied. For the first time, a significant decrease in the content of both selenium and zinc and iodine in the body of pregnant women was established in comparison with republican indicators, while in children no significant changes in the provision of these trace elements were detected. A negative correlation between the volume of the thyroid gland and the content of the trace element selenium and zinc in the body in pregnant women and in children according to Spearman was revealed. The revealed dependence may indicate potentiation of the development of goiter with a deficiency of selenium and zinc in the body.

An analysis of the current labor legislation leads to the conclusion that there is no obligation for the employee to comply with ethical standards in the course of work, and therefore this obligation is not the main one for the employee. In the scientific literature and law enforcement practice, there is an idea that if the duty to comply with ethical standards is imposed by federal laws or professional standards, then in this case we are talking about professional ethics. For the majority of employees, there are no such norms, which forces employers to develop local acts containing such requirements. Due to the lack of regulatory regulation, the main problem is the legality of bringing employees to disciplinary responsibility for violation of ethical standards, given that the nature of ethical categories is evaluative.