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It depends on what you do, it's best not to go on often, most people are chatting, and you don't know how to dilute the communication between people, so take it yourself.
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1. Damage to the eyes.
Staring at electronic products for a long time can easily lead to excessive eye use, cause eye fatigue, reduce vision, and in severe cases, lead to retinal detachment, and may face eye diseases such as glaucoma and presbyopia.
In particular, children's vision is unstable and may accelerate myopia. There are many young office workers, after working on the computer during the day, they still "keep the machine in hand" at night, use their mobile phones to brush short**, watch movies, watch**, etc., and even turn off the lights before going to bed and surf the Internet. I often wake up the next day with uncomfortable symptoms such as tears, vision loss, and dizziness.
2. Affect mental state.
Usually when we are online, we often underestimate the passage of time, when we keep our eyes on electronic products for 30 minutes to 1 hour, our concentration will begin to decline, and we need to rest for 15 to 20 minutes to regain concentration. Spending too much time online will also affect your studies and work, and you will have to spend more time on to-do lists, and once you can't complete your goals on time, you will accumulate negative emotions such as nervousness, anxiety, depression, and irritability. It can also interfere with sleep and cause social skills to deteriorate.
3. Negative impact on health.
At present, there are many people who develop a bad posture when using 3C products. For example, when using the computer, the body bends forward, looks at the mobile phone and likes to bow the head, or reclines on the sofa to watch TV, play with the mobile phone, etc., over time, it is easy to lead to spinal joint injury, lumbar muscle strain, body destruction, and various cervical spondylosis due to poor posture.
4. Affect social activities.
Bad Internet habits are most likely to lead to the phenomenon of "crowding out", that is, users spend their precious time and energy on the Internet every day, but crowd out other important activities in life, such as diet and nutrition, sleep and rest, physical exercise, work and study, speech and communication, emotional exchange, etc., day after day, which will eventually affect physical and mental health and endanger interpersonal relationships.
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a. Eye diseases: the brightness of the computer screen is high, and the picture often beats, if the user stares at the screen for a long time, it will make the eyes overtired, causing myopia in the light, and causing retinal detachment and even blindness in the heavy.
b. Cervical spondylosis, lumbar strain, frozen shoulder and other lesions: do not leave the grid overnight, and the shoulder should be laid off. People who work at their desks for long periods of time or are immersed in computers are more likely to develop frozen shoulder, especially in summer.
c. Mental illness: Experts point out that excessive use of the Internet often leads to emotional disorders and social adjustment difficulties among adolescents. Psychologically, there will be inability to concentrate and last, memory loss, lack of interest in other activities, apathy, lack of sense of time, and depressed mood.
In terms of behavior, there will be a conduct disorder, which can lead to aggressive behavior, known as Internet addiction.
d. If you use the Internet for a long time in an environment with poor ventilation and sanitary conditions or in an air-conditioned room, heat cold, gastrointestinal diseases, contact dermatitis, dizziness, swelling and headache are common symptoms.
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Long-term Internet access to the human body includes headaches, palpitations, loss of appetite, muscle aches and other symptoms. Mental harms include:
It makes people feel social isolation and frustration, loneliness, pessimism and other psychology. Therefore, it is necessary to spend a reasonable amount of time online, and do not delay work, study or other normal life because of the Internet. Arrange your time reasonably, don't indulge in the Internet, and pay attention to distinguishing right from wrong to avoid the impact of bad information.
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1. Promoting cell carcinogenesis 2. Abnormal hormones 3. Intense loss of calcium ions 4. Cause of dementia 5. Abnormal pregnancy and abnormal birth 6. Hypertension and heart disease 7. Electromagnetic wave allergy 8. Increase in suicide From the perspective of radiation types, the hidden dangers of computers to human health mainly include electromagnetic radiation (various electromagnetic rays and electromagnetic waves, etc.), sound (noise), light (ultraviolet rays, infrared radiation and visible light, etc.) and other radiation "pollution" generated and emitted by computers during work.
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It must be very harmful to the eyes, and it is also harmful to the body when surfing the Internet regularly.
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If you are studying online, it is more beneficial to go online often, but it is necessary to stop in moderation, otherwise it will be harmful to the body.
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It can broaden your horizons. The Internet has a large amount of information, fast information exchange, and a strong degree of freedom, realizing global information sharing, and you can freely obtain your own needs on the Internet, browse the world on the Internet, and understand the world's latest news and information, and scientific and technological trends.
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Pros: 1When you go to play computer games after working for a long time, it can relieve your mental stress and relax your mind.
2.If you say it's not all computer games, it can be useful to your advantage. For example: printing articles, learning programming, making online business, searching for useful information on the Internet, learning about current affairs on the Internet, etc. In fact, there are many benefits of computers.
Cons: 1Playing with the computer for a long time, the high-frequency radiation emitted by the computer is very harmful to the eyesight.
2.If you just use your computer to play computer games, and you spend too much time, you're wasting a lot of valuable time.
3.And often staying in front of the computer will also cause a withdrawn personality and discord, which will have an impact on people's body and mind.
If you're not too obsessed with the internet, this should be better when you start working.
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If you go out and find a job, you lose the good times, the good days, and all you get is how to waste your time ......
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It's not good, you won't communicate with outsiders after a long time, your writing ability will far exceed your language ability, and you will feel that talking when you meet people is far less easy than chatting and typing on the Internet... I know that.
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It's okay to get tired of finding a job, don't stay at home all the time, try to practice practicing and socializing with all kinds of people
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Three. Put a cup of hot water next to the computer.
Do you also have dry eyeballs and blurred vision? This is a common problem of many computer families! Internet fans who like to stay up late to surf the Internet are even more harmful to their eyes.
Doctors suggest that people who use computers often should investigate the screen to the lower level of the eyes by 10 to 20 centimeters, which can reduce the chance of lifting the eyelids, in addition to resting the eyes more, but also blink frequently to moisten the eyes, because the average computer worker will blink from 22 times per minute to 7 times per minute when focusing on the screen, which unconsciously causes excessive evaporation of tears on the surface of the eyeball, so dry eye syndrome will be worsened. Place a cup of hot water next to your computer to increase the humidity around your surroundings to reduce eye discomfort. One more maintenance is more health!
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1.Reduces the body's own immune function.
2.Wear out the middle gas.
3.Damage to the liver, directly reflected in the disease of the eyes.
4.Reduces musculoskeletal coordination in the human body and causes movement disorders.
5.Resulting in insufficient blood supply to the affected skeletal environment, which is directly reflected in the cervical spine, lumbar spine, and scapular region.
6.Decreased social thinking skills.
7.Decreased sociolinguistic skills.
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1. Promoting cell carcinogenesis.
2. Hypertension and heart disease.
3. Electromagnetic wave allergy.
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Don't work in front of the TV or computer all the time, change your posture appropriately, and massage your eyes. Excessive eye fatigue can also affect the liver.
To summarize the disadvantages of blood donation that are hotly discussed on the Internet, it mainly focuses on the worry of contracting infectious diseases when donating blood, in fact, this is a completely unnecessary worry, because the needles and blood bags used in blood collection and supply institutions across the country are disposable medical consumables that have been strictly tested and qualified by the state, and there are strict operating procedures and requirements for blood collection.
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