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Given articles is devoted to computer influence (more precisely work at the computer) on health of the person.
Long work at the computer
As a matter of fact only long work at the computer can make essential impact on health of the person. Presently use of computers in all spheres of life becomes wider and consequently more and more people are compelled to spend the whole days at monitors of computers.
Let’s consider the basic aspects of long work at the computer:
1. The person working at the computer long time should keep rather motionless position that negatively affects a backbone and blood circulation in all organism (stagnation of blood). Especially strongly stagnation of blood is expressed at level of bodies of a small basin and extremities. At long infringements of blood circulation a food of fabrics is broken and walls of vessels are damaged that in turn leads to their irreversible expansion. Such expansion of vessels is observed, for example, at hemorrhoids.
2. Reading of the information from the monitor causes an overstrain of eyes. In due course it can lead to infringement of the ability of eyes and, hence, to sight infringements.
3. Long work on the keyboard leads to an overstrain of joints of a brush and forearm muscles.
4. The monitors supplied with an electronic gun are a strong source of electromagnetic fields. Constant “bombardment” of a human body leads to various frustration of nervous system and an eye.
5. Work at the computer assumes processing of the big file of the information and constant concentration of attention, therefore at long work at the computer the intellectual weariness and attention infringement quite often develops.
6. The person working at the computer is compelled to make all time of the decision on which efficiency of its work depends. At times happens difficult enough to assume consequences of this or that step (especially against chronic weariness). Therefore, long work at the computer often is at the bottom of chronic stress. We will notice that necessity to process a considerable quantity non-uniform (and in the majority of the unnecessary information) leads to stress development.
7. Even more often there are messages on occurrence of computer dependence. Really, long work at the computer, work on the Internet and computer games can cause similar mental frustration.
8. Work at the computer quite often engrosses all attention of the working person and consequently such people often neglect a normal food and work half-starving all the day long. Improper feeding results not only in infringements of work of bodies of a digestive path but also to occurrence of mineral and vitamin insufficiency. It is know that not the lack of vitamins but minerals negatively affects metabolism process in an organism that leads to decrease in mental abilities of the person. Overall performance decreases that in turn causes to be even more time at the computer. Thus, original “vicious circle” in which long work at the computer is the starting moment defining all subsequent infringements is formed.
The stress, bad habits and improper feeding are principal causes of cardiovascular diseases and a diabetes. Thus, the person long time working at the computer is exposed to real risk of cardiovascular diseases, various diseases of eyes, the impellent device, bodies of a gastroenteric path, mental frustration.
The infringements of sight caused by long work at the computer
As already it was mentioned above long work at the computer has negative influence on eyes and sight. Recently there were some new terms of the eyes defining disease caused by long work on the computer.
Display illness is characterized by infringement of accommodation of eyes because of a long overstrain of a ciliary body. The ciliary body is located at once under an iris of the eye and consists of set of muscular fibres. The ciliary body represents an original muscular ring in which the crystalline lens fastens. Reduction or a relaxation of muscles of a ciliary body leads to change of curvature of a crystalline lens and, hence, changes its refracting ability.
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