[The adolescents, Internet and drug abuse].

According to results of research study, in 2016-2017, the number of Internet users among schoolchildren was 96% of boys and 97% of girls and at that 44% of boys and 60% of girls spend 3 hours or more on the Internet daily. Quite often excessive infatuation for Internet is combined with psychoactive substances abuse. The purpose of the study is to identify features of abuse of drug and other toxicomanic substances among adolescents who used the Internet continuously on daily basis.

[The Russian rural school children of adolescent age as Internet users].

In Russia, the society shares the opinion that children, adolescents and the youth are the main users of the Internet. However, the information impact of the Internet on the emerging consciousness, intelligence, life values of younger generation is ambiguous and requires comprehensive and in-depth study. Materials and methods.

[The Tobacco Smoking among Rural Adolescents].

The article presents results of study of prevalence of tobacco smoking among school adolescents carried out in rural comprehensive schools of the Kaliningrad oblast obtained within the framework of large-scale study (monitoring) of using psychoactive substances by rural school adolescents aged 15-17 years in 2016-2017 in Russia. The technique of multistage sampling was applied to select contingents of adolescents. The sampling included 1085 adolescents, including 531 boys and 554 girls.

[The evaluation of medicinal therapy under treatment of arterial hypertension in hospital].

The article presents the analysis of data of "Study on Global AGEing and Adult Health, 2007-2010" (SAGE) concerning subjective judging of health, prevalence of ischemic heart disease under different levels of arterial pressure in similar age groups. An attempt is made to evaluate spectrum of pharmaceuticals applied in treatment of patients with arterial pressure in hospital at the level of oblast hospital. According official statistics of Minzdrav of Russia, in 20102 prevalence of diseases characterized by higher arterial pressure amounted to 10.

[The seasonality of population contacts with medical organizations because of diseases of blood circulation system].

The comprehension of significance of health impacting of such unchangeable factors as climate and atmospheric phenomenons allows carrying out measures to decrease their negative effect on human health. The data of study implemented in Orel in 2009-2012 made it possible to distribute the annual totality of diagnoses registered in medical organizations on the groups of diseases of blood circulation system according ICD-10. The analysis established lower level of visits to physician because of these conditions both in ambulatory polyclinic institutions and hospital during summer period.

[The prevalence of behavioral risk factors and diseases of blood circulation system].

The article is based on the data of "The study on global aging and adult health" (SAGE), a WHO international project carried out in 2007-2010. The sampling included respondents aged from 50 to 79 years old. The analysis covered such behavioral risk factors as tobacco smoking, physical activity, fruits consumption, etc.

[The comparative evaluation of tendencies in population mortality and particular characteristics of hospitalization under diseases of blood circulation system].

The analysis of data bases established that in the Russian Federation population mortality of diseases of blood circulation system in toto and of main diseases included in this class (100-199 of ICD-10) is significantly higher than in European countries. The population mortality is determined both by morbidity and quality of medical care in case of development of disease. In Russia, the increase of number of cases of hospitalization per one patient passed away due to these causes.

[The physical development of children in Russia: the specification of means to evaluate and identify the problematic situation in process of growing and development of oncoming generation].

The article deals with issue of physical development of children as an important summarizing health parameter and indicator of social well-being of society. The organism development in child age determines the main traits of health of this generation in older age including potential longevity and transferring of corresponding qualities to future generations. The analysis is presented concerning accumulation of factual data and development of methodical instruments to evaluate physical development of children in Russia and other countries.

[The quantitative estimates of identification of diseases in medical institutions of different form of property and departmental belonging].

The results of analysis of actual situation in the field of medical care provision to population by medical institutions of different form of property and departmental belonging demonstrated that the percentage of additionally identified cases of pathology of blood circulation system comes up to 20% and more in certain territories. This occurrence mainly depends on organization of medical care of population in the field and development of medical institutions network outside the system of Minzdrav of Russia. It is needed to further elaborate the process of getting the data specifying the statistics of pathology propagation.

[The mean duration of stay in hospital of patients with pathology of circulatory system in Russia and particular European countries].

The comparative analysis of mean duration of stay in hospital of patients with pathology of circulatory system in the Russian Federation (form No 14 "The information about hospital activities in 2011") and particular European countries (data about main characteristics of functioning of hospitals in European countries from the information system "The Hospital morbidity Database (HMDB) January 2011") established the characteristics of structure of hospitalized patients of the mentioned class including differences in duration of stay of patients in hospital. The significant differentiation between countries exists concerning the indicators of mean duration of stay in hospital of patients with various diseases of circulatory system. At that, in the Russian Federation certain indicators of particular nosology forms are lower than corresponding indicators in foreign countries.

[The issues of assessment of medical support of patients with pathology of blood circulation system].

The analysis of report forms No 12 "The information about number of diseases registered in patients residing in the area of medical institution supports" and No14 "The information about functioning of hospital" demonstrated that in conditions of ambulatory policlinic institutions there is no active monitoring of patients with diseases of blood circulation system. These diseases are the major causes of population mortality.

[The problem of abortions and enhancement of analysis of reproductive behavior of women].

The article deals with the study of actual rate of abortions in Russia. It is established that multi-aspect statistical information is needed to compare with the data of international organizations. The regular monitoring is important to control the different characteristics of population reproductive behavior abortion prevalence and the all-inclusive participation in the reporting activity of all medical institutions involved independently of property forms and sectorial membership.

[Problems in medical care for patients with cardiovascular diseases].

Despite showing that cardiovascular disease mortality in Russia is declining evaluation of medical care for cardiovascular patients, using different information sources, revealed a lot of problems in this field need it's solving. Together with modernization of medical services it is urgently necessary to transform the medical education, including post graduate, information support for medical professionals in field of modern medical technologies, using in countries with low mortality rates, creation the conditions for regular updating professional knowledge. It is necessary to reconsider formal criteria for medical care evaluation, especially taking into account co morbidity of cardiovascular diseases.

[The symptoms, signs and deviations revealed during clinical and laboratory studies].

The standardized indicators of mortality of population in Russia exceed the corresponding indicators in Europe in three groups of pathology: external causes (4.7 times), cardiovascular diseases (3.1 times), symptoms, signs and deviations (3.

[The health status and issues of medical support of elderly population].

The comparison of international studies data on the integrated methodological basis permitted to sort out actual issues in health and medical support of elderly population in Russia. The results can become both the foundation for the decision making on public level, ministry of health included, and the starting point for new research studies.

[The average age of children with chronic pathology].

The official statistical data about registered diagnoses in children due to actual high-tech support in medical institutions can be developed in a fundamentally innovative ways. Various approaches can be applied such as hypothesis verification and orientation of clinicians and health managers in the detection and resolving of problematic situations in children health status.

[The ethical and deontological issues of public health in Russia].

The issues of physician-patient relationship are moving from the deontological to social area and hence need not only organizational but political actions as well related to the medical provision of population and mortality increase. The patients have to be provided with the required medical care irrespective of their economic and property status and this approach is to be guaranteed on the state level.

[Physical development and health of children in Russia].

The results of a large-scale study of physical development and health of children denoted the latest related features, which can be referred to as favorable enough. Described are: new approaches to evaluating children's health, specific features of age-dynamics of body's dimensions (smoothing of decussations), dependence of physical development on residence and correlation between body's dimensions at birth, on the one hand, and parameters of health and physical development observed later, on the other hand.

[A comparative evaluation of the health of children based on the results of medical check-ups and questionnaires].

Objective evaluations of population's health belong to the most important tasks of the public-health science. Such evaluations made in respect to children are of extra importance. One must comprehensively understand the potentialities and abilities of the methods used for the purpose.

[Social-hygienic evaluation of the prevalence of sleep disorders].

According to the data of interviews of 4000 subjects, the incidence of sleep disorders is about 30% in different regions of Russia; for the age group of 20 to 24 years it is 5%, for subjects aged over 60-40%. Fourteen percent of men and twenty-four percent of women of capable age (30-59 years) complain of insufficient sleep. The quality of sleep depends on age, sex, constitutional features (excessive or insufficient body weight), and social characteristics (frequent change of working places, change of place of residence (migrations), family status, and microclimate in a family.