The article studies and analyzes the scientific works of leading specialists in hygiene of children and adolescents on search electronic databases (Web of Science, PubMed, eLIBRARY and Research Gate) according to the keywords: Physical development, Teenagers, Educational institutions, Intra-school environment. Of the 277 sources found, the authors selected 115, taking into account the keywords, after an analysis of the selected literature, 49 sources were included in the present study in accordance with the topic of the work. It has been established that social, biological and environmental factors have the most effective influence on physical development. It has been determined that the school environment plays a large role in the formation of the physical status where the child spends most of his day. There are contradictory information about the influence of various forms of education on the state of health: in educational institutions of an innovative type of healthy children, there were 2.3 %, in ordinary schools — 10.1 %. However, according to other authors, higher anthropometric indicators were characteristic of students of educational institutions of the new type.
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