Important role in shaping the health of adolescents is played by the environmental factors and lifestyle, the influence of which they are exposed to a greater degree than adults. At the same time, adolescents have not yet formed attitudes to conscious attitude to their health, extremely low medical activity, which exacerbates the impact of risk factors on their health. The aim of the study was to assess the awareness of high school students about the risk factors of lifestyle that adversely affect health, and their prevalence among adolescents. To achieve this goal on a specially designed statistical forms conducted an anonymous survey of 325 boys enrolled in high school four secondary schools in the city of Yakutsk. It was found that high school students are quite well informed about most lifestyle risk factors that have an impact on health. At the same time, in the way of life of many young men (73,9 ± 2,4 of 100) there is at least one risk factor that adversely affects health. Among the risk factors for health in high school students of Yakutsk are more common: prolonged stay at the computer, sleep, excessive consumption of food with high carbohydrate content, small stay in the fresh air, long additional classes, low physical activity. In this regard, it is now a very important task of school, family, health workers is to create in adolescents’ belief in the need to maintain a healthy lifestyle, the formation of a cult of health.

At present, the state of health of young men deserves special attention on the part of the state, since they are not only the economic, social, demographic, but also the defense potential of the country. The evaluation of the health of young people of their own health in terms of the ability to perform certain social functions and roles, that is, self-evaluation of health, is important in assessing health. In order to study the opinion of the young men about their health and their compliance with the requirements of military service, an anonymous survey of 325 senior pupils of four Yakutsk general education schools was conducted. It was found that many young men of Yakutsk low estimate their readiness for military service. An analysis of the self-assessment of the degree of physical training made it possible to establish that more than a third of high school students believe that they have poor or insufficient physical training, more than a quarter believe that they are not physically ready for military service. At the same time, less than a third seek to improve their physical training through regular physical training and sports, the remaining boys regularly do not engage in physical culture and sports, explaining this subjective reasons. Most know that there are such diseases in which one does not join the army, and one in four believes that he has such a disease. Of the 100 senior pupils, 8,2 ± 1,5 assess their health as bad, 11,2 ± 1,8 consider that for health reasons they are not fit for military service, at the same time 42,4 ± 2,8 believe that to military service they are only limitedly fit or temporarily unfit. Statistically significant differences in the self-assessment of health and the degree of physical fitness between the Yakuts and the Russians were not established.

One of the main tasks of the national healthcare is to increase the accessibility and quality of medical care to the population. One way of assessing the quality of care is to study patient satisfaction with medical care through sociological research. The degree of patient satisfaction reflects not only the social effectiveness of medical organizations, but also the work of all health systems. The bulk of medical care a child receives in the conditions of the polyclinic. Parents, being legal representatives of the child, can objectively assess the quality of medical care provided to them in the children's polyclinic, and, if necessary, protect his legitimate interests. With a view to identifying the main causes of the dissatisfaction of the child population of Saint Petersburg by the accessibility and quality of ambulatory-polyclinic care, the anonymous questionnaire of 1488 parents of children receiving the medical care in outpatient polyclinics was conducted. It found that in children's polyclinics parents often face difficulties when calling the doctor home, visiting a pediatrician and subspecialties doctor, passing medical examinations and procedures. Parents were not always satisfied with the preventive activities and sanitary and hygienic condition of the polyclinic. There are cases of inattentive and mistreatment by medical personnel. In General, over half (53.2%) parents have remained completely unsatisfied or not fully satisfied by the quality of provided ambulatory-polyclinic care.

Aim. To conduct an objective and subjective assessment of the impact of breastfeeding duration on children's health. Methods. For a subjective assessment, a survey with random sampling of 476 mothers of children under the age of 1 year was conducted. For an objective assessment of health, the copying of data from the form 112/u “Case history of child's development” was used. The representativeness of this sample was tested by the method of Professor A.M. Merkov, with the error not exceeding 4%. Results. The majority of women participating in the survey indicated that after discharge from the obstetric hospital, they continued breastfeeding for up to 3 months (21.8%) and up to 6 months (25.3%). The study revealed a statistically significant relationship between the subjective assessment of children's health and the duration of breastfeeding. The highest subjective health score was in children who received breast milk up to 6 and 12 months (4.2±0.09 and 4.3±0.07), the lowest — in children who were formula-fed (3.1±0.10). The performed analysis of the dependence of the proportion of healthy children on the duration of breastfeeding demonstrated the direct strong correlation between the indicators (rxy=0.88). The presence of an inverse strong correlation was established between the proportion of children with chronic diseases and the duration of breastfeeding (rxy=–0.88). In addition, the longer the period of feeding the baby with breast milk, the lower the incidence of acute diseases during the first year of life (rxy=–0.85). Conclusion. Assessment of the child's health, both subjective and objective, depends on the duration of breastfeeding; infants who are breastfed longer during the first year are less likely to get sick and generally have better health.