Unit 10 Computer influence on a man health

Vocabulary list

to avoid

to get tired of

to exceed

to conduct

blearing

inflammation

neurotic disorders

frequency

to decrease

уникати

втомлюватися

перевищувати

проводити

затьмарений, затуманений

запалення

нервові розлади

частота, частотність

зменшувати

1. Read the questions and answer.

1. Do you have a computer at home?

2. How often do you use a computer?

3. For what purpose do you use a computer?

4. What do you know about the computer influence on a man health?

5. What rules of computer safety work do you know?

2. To learn more about the computer influence on a human health

a) read and translate the text and find mistakes

C omputer influence on a man health

The full computerization of a country is impossible to avoid.

The last researches showed that computers don’t make us healthier and with the wrong use can give an irreparable harm.

In all computer countries it is common practice that the computer operator work is one of the most intensive and tiring. For example, in Germany operator work is included in the list of the 40 most harmful for the health works and in accordance with the prescribed rules the work at the monitor should not exceed 50% of the working time.

The last investigations conducted under the aegis of American optometrical association (which consists of 32 thousand ophthalmologists and opticians) pay attention to the obvious fact again: working at the computer is not natural for human eyesight. 70-75% of all users which routinely work at the monitor screen have problems with the eyesight. A lot of complaints come from the computer operators about sharp pain in the eyes, blearing, the common eyesight worsening.

We have to read, to type, to compare something more than once, when we are working at the monitor. But in result eyes have to re-form thousand times a day. It has a negative influence on the eyesight.

Man gets used to deal with the horizontally lied leaf of the paper, while the monitor screen is vertically placed. Permanent imitation of the “look into the distance” occurs. It relaxes muscle eye device.

Conducted in Massachusetts medical checkups found that employees, which is working at the PC over 7 hours a day, have greater for 72% case rate asthenopia (eyes get tired easily) and inflammation than employees, which spend a less time at the computer.

One of the famous firm Microsoft directors multi-millionaire Bill Gates seriously damaged his eyesight and taken difficult blood disease.

People, which earn with the work on a computer, have the greatest part of health complaints on muscles and joints diseases.

According to Donetsk Medical University scientists information, PC operators have early reduced efficiency and tiredness on the few hours before the work time ending. 48% inspected workers of computer centers have neurotic disorders: memory worsening, weakness, tachycardia, negative dysfunctions, inattention, neurasthenia.

Foreign experts assert, that women, which work at the monitor for 2-6 hours a day, have functional violations of central nervous system on average on 4.6 times more often, than other professions women, cardiovascular system diseases – on 2, respiratory tract – on 1.9, motor system – on 3.1 times. On 2-3 times more often they have pathology of pregnancy.

Computer radiation spectrum consists of X-rays, ultra-violet and infra-red fields of spectrum, and also wide range of electromagnetic waves other frequencies. Conducted experiments by physicians prove that this may have stimulative oncological disease.

Last year’s observations and investigations found expedient of cactus pots placing near the computer displays. Their presence decrease harmful influence intensity of display electromagnetic radiation.

Harmful computer influence on a man health can be greatly reduced or avoided with following the simple rules of their using. It is very important to make a right choose of a computer.

b) Match the words from (a) with the words from (b) according to the text.

a) b)

1. give an irreparable

2. working at the computer is not

3. eyes have

4. neurotic

5. the work at the monitor should not

6. decrease

7. sharp pain

8. memory

9. conducted

10. computers don’t

1. worsening

2. natural for human eyesight

3. exceed 50% of the working time

4. disorders

5. harmful influence

6. in the eyes

7. harm

8. to re-form

9. make us healthier

10. experiments