Occupational hazards and occupational diseases

To understand the impact of labour activity on human health can only be achieved by a careful study of the peculiarities of his profession. Profession - this type of human activity, which mainly provides its existence and determines the position in society. In each profession there is a so-called detailed profession. For example, in the profession of a doctor can distinguish between the profession of doctor-laboratory assistant, physician-radiologist; working conditions are different, and therefore the variety and environmental factors that affect their body. Therefore, in the study of occupational hazards for a basis we take a detailed profession".
Professional harmful factors of labor process and external environment of labour that could have a harmful effect on the health of workers.
Existing occupational hazards can be divided into three groups.
1. The hazard associated with the wrong organization of work: (a) excessive nervous system; b) long monotonous body position; C) undue stress of locomotor system and individual senses (sight, hearing); d) the wrong mode of work.
2. The hazard associated with the production process: a) physical factors (adverse microclimate changes in atmospheric pressure and others); b) chemical and physico-chemical factors (gases, dust, fumes); C) biological factors (microorganisms, eggs of helminths and other).
3. The hazard associated with the conditions of labour. They are not specific and may occur at any production. These include insufficient ventilation, illumination, area, volume, etc.
Due to exposure to occupational hazards in the working body can develop occupational diseases. The so-called diseases, which are based exclusively or predominantly professional factor. But more often the impact of professional factors is reflected in the decrease in resistance, health and other