Is the Internet harmful? Is it harmful to go online?

Sometimes it doesn't look like you see it.

The Internet, just like you have a universal number, you can call your friends, never know and know, you can call the world's most authoritative teachers and doctors, understand all kinds of situations, you can call all the people in the world, you can play games with them, watch movies, learn knowledge, and so on.

You can also get an online job and earn the first money for online services. And so on and so forth. Customize the time spent online according to the user's computer and environment.

If the computer monitor is a healthy LCD, then you can make the feast messy for 1-2 hours so that you don't feel tired.

If it is a pure screen, it is recommended to take a break every 1 hour.

Of course, there are many people who work online, and there are also many people who need to work with computers. There is no limit to the amount of time you can use your computer each day.

The most important thing is to leave the computer at the appropriate time, and after a short rest, it is used after the eyes are tired and tired, so that there is no harm to the human body.

There will be radiation. Cause allergies and other symptoms, it is best not to stay in front of the computer for a long time.

What harm does the net do to the human body, it is allergic to **, and it is not good for the eyes.

Addicted to giving up school. The particles also adsorb a large amount of dust in the air, and these charged dust have adverse effects on the human body and **. It is recommended to wear it in winter for the elderly, children, people who are sensitive to static electricity, people with heart disease who cannot be detected, people with neurasthenia and mental illness.

com Internet access can cause brain damage and lung disease. Headache:

Tension-type headaches can also be triggered by excessive tension in the muscles surrounding the neck and brain due to constant posture, or eye strain caused by staring at flickering images

2.Eyestrain:

If you focus too much, the number of blinks per minute will be reduced, and the tears will not be secreted, and the eyes will feel dry in the long run

3.Sore shoulder:

When facing the computer screen, most people will lean forward, raise their arms, straighten their shoulders, etc. For a long time, it is easy to make the muscles in this part tense and produce a painful feeling If it worsens, it may also make you have fifty shoulders 20 or 30 years earlier!

4.Air Quality:

The strong electromagnetic field generated by the display will attract floating dust in the air, and the main unit parts, fans, etc. will also strengthen the surrounding exhaust gas circulation, which will often cause discomfort or allergies to your face**, nasal cavity, larynx, etc

5.Back pain:

Due to poor sitting posture, the burden on the neck and back is increased, the natural curve of the spine is destroyed, and the most common sequelae caused by compression of blood vessels and nerves are caudal pain, stinging in the footsteps or stiff neck

6.Hand muscle injuries:

This kind of injury is really varied Because of long-term operation of the keyboard and mouse, the wrist nerve is compressed, forming carpal tunnel syndrome, and your palm can no longer move freely; The most common injuries are ulnar deviation and metacarpal inward rotation

7.Leg pain:

As a result of maintaining the same sitting position all the time, the blood vessels on the lower side of the thighs are compressed, which slows down the blood flow rate, causing varicose blood vessels, causing pain, numbness and other discomfort

8.Uncertain impact:

In addition to mobile phones, computers are probably the closest source of electromagnetic wave emissions to the human body in daily life, because the sequelae of electromagnetic waves may cause headache, dizziness, vomiting, etc., as for whether it will cause pregnancy abnormalities, cancer, etc., there is no official medical report