The influence of the external environment on human health. OBZhD

BASICS OF SAFE LIFE
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The influence of the external environment on human health. Basics of safe life

Fundamentals of Safe Life Activities (OBZhD)

Over the centuries human habitat slowly changed its appearance, and therefore the types and levels of negative impacts on human health on its part changed little. Recently, since the XNUMXth century, there has been a constant increase in pollution of the biosphere as a result of increased consumption and concentration of energy resources; intensive development of industrial and agricultural production, etc., which leads to partial, and in some cases complete regional degradation, as well as to a deterioration in the health of the entire population, since a person and his environment (natural, industrial, urban, domestic and etc.) in the process of life constantly interact with each other. They only then are in harmonious interaction and develop in given conditions, when the flows of energy, matter and information are in redistributions that are favorably perceived by man and the environment.

Any excess of the usual levels of ducts is accompanied by negative impacts on humans and the environment. Changes in the value of any flow from the minimum significant to the maximum possible allow you to go through a series characteristic states of interaction in the system "man - environment":

1) comfortable, or optimal, when the flows correspond to the optimal conditions for interaction: they create optimal conditions for activity and rest, prerequisites for the emergence of the highest working capacity and, as a result, productive activity; guarantee the preservation of human health and the integrity of the components of the environment;

2) permissible, when the flows, affecting a person and the external environment, do not have a negative impact on health, but lead to discomfort, reducing the efficiency of human activity. Compliance with the conditions of permissible interaction guarantees the impossibility of the emergence and development of irreversible processes in humans and in the external environment;

3) dangerous, when the flows exceed the permissible levels and have a negative impact on human health, causing diseases during prolonged exposure, leading to degradation of the natural environment;

4) extremely dangerous, when high-level flows in a short period of time can cause injury, lead a person to death, cause destruction in the environment.

Thus, of the four characteristic states of human interaction with the environment, only the first two (comfortable and acceptable) correspond to the positive conditions of everyday life, and the other two (dangerous and extremely dangerous) are unacceptable for the processes of normal human life, preservation and development of the external environment.

Author: Muradova E.O.

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