Methods of hygienic studies

At carrying out of scientific researches, and also in the implementation of practical sanitation hygiene widely uses various research methods.
1. Method sanitary survey is to survey and description under specially developed programs of various objects: industrial enterprises, residential properties, public catering and others On the basis of the carried investigation the statement is drawn up, which includes proposals for elimination of the revealed during examination of the flaws with the indication of the term of execution.
2. Method of laboratory research is used in order to obtain objective data for estimation and characteristics of environmental factors. In hygienic science and sanitary practice using physical, chemical, biological, Toxicological, radiometric methods of research of air, soil, food, and other environmental objects.
3. The experimental method is used to study the possible harmful influence of different factors (including chemical and physical) on the body, as well as for evaluation in the laboratory of sanitary-engineering devices and systems.
4. The method of physiological observations is to study the functional state of organs and systems of the person under different conditions (at a chemical enterprise, institution and other). On the basis of the obtained results substantiate and develop the necessary preventive measures. For example, the detection of adverse reactions heart rate, blood pressure, water-salt metabolism in workers of hot shops are developing measures to improve ventilation hall, automation of technological process of isolation heated surfaces of heat-insulating materials and other
5. Method of clinical observations involves the study in the clinic of the shifts that occur in the organism under the influence of adverse environmental factors. It is applied at carrying out of preventive medical inspections at enterprises, in schools and so on using this method to get the data needed for the development of preventive measures.
6. Statistical method allows you to get an idea of positive or negative changes in the health status of the population. So, comparing physical development, morbidity, life expectancy before and after carrying out of preventive actions can be judged on their effectiveness.