Is it OK to be online for a long time? What are the disadvantages of being online for a long time?

According to medical reports, using a computer for 4-6 hours a day is 26 more likely to get cancer after three years.

Remember to turn off your computer when you go to bed at noon.

Do you often feel dizzy or have memory loss?

When sleeping on your stomach, you should remember to turn off the computer, not just turn off the screen, because only turning off the screen can not eliminate radiation, and we all sleep on our stomachs, with our heads directly facing the computer, and it will be too late to get Alzheimer's disease or brain tumor one day! The radiation is really scary!! Be careful, health is more important than everything!

The killer of the computer family --- thoracic outlet disease.

Do you sit at a computer desk for hours and sit incorrectly, always feel inexplicable shoulder and neck pain, or even have no intention of working? Now please take a quiz, please look your head to the left, and then slowly bend your head down at 45 degrees, do you feel abnormal soreness in your neck and shoulders? If you have the above symptoms, you should be careful, because you are likely to get the "thoracic outlet syndrome", a disease of modern computer civilization.

The killer turned out to be a "computer".

1. You may often wonder why you often feel backache, your body's resistance is getting weaker and weaker, and you can not concentrate, you can never imagine that the reason is in the "computer", the radiation waves emitted by the computer are often ignored by people, according to the international MPR radiation safety regulations, 25V m radiation exposure is necessary within a distance of 50cm, but do you know what the radiation dose of the computer is?

Tell you: Keyboard 1000V M, Mouse 450V M, Screen 218V M, Host 170V M, Notebook 2500V M.

2. Eight major harms of radiated electromagnetic waves to the human body:

1. Promoting cell carcinogenesis;

2. Abnormal hormones;

3. Intense loss of calcium ions;

4. Initiation of dementia;

5. Abnormal pregnancy and abnormal delivery;

6. Hypertensive heart disease;

7. Electromagnetic wave hypersensitivity;

8. The increase in suicides.

Of course it's not good, in general, you should take a break after looking at the computer for an hour.

Depressed! Prolonged exposure to computers is not good for the body! And when you play games, your brain and nerves are in a state of high tension and excitement, and it is not good for your body to continue! Surf the internet for long periods of time

It's not good, it hurts your eyes! The radiation is also huge!

Long-term Internet access or playing on the computer mainly have the following drawbacks: 1. Eye diseases: According to hospital ophthalmology experts, patients have sudden blindness because the picture on the screen is jumping up and down, changing rapidly, and the person who plays stares at the screen intently, making the eyes overtired, causing myopia in the light, and retinal detachment in the heavy, causing severe visual impairment and sudden blindness, that is, temporary or permanent blindness.

2. Cervical spondylosis 3, lumbar strain 4, muscle tension headache and vascular headache and other diseases, and in severe cases, stubborn muscle tension headache will be formed 5. Frozen shoulder: stay off the net overnight and the shoulder will be laid off. People who work at their desks or spend a lot of time at their computers are more likely to develop frozen shoulder, especially in summer.

When the temperature is high, if people work and live in an air-conditioned environment for a long time, the neck and shoulder are attacked by wind and cold, which will cause congestion and edema of the soft tissues of the shoulder, contracture of the tissues around the shoulder, and adhesions between the synovium and articular cartilage of the shoulder joint, resulting in limited movement of the shoulder joint, and pain when moving. 6. 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 prolong attention, memory loss, lack of interest in other activities, apathy, lack of sense of time, and depressed mood. On the physical side, there will be inability to maintain a normal sleep cycle, insomnia, headaches, difficulty concentrating, indigestion, nausea and anorexia, and weight loss when stopping the Internet. In terms of behavior, conduct disorders occur, producing aggressive behavior.

i.e. internet addiction. 7. If you surf 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. 8.

Surfing the Internet all the time will also produce a mouse hand.

Spending a lot of time online is not good for the brain, and it is not good for any part of the body.

Frequent Internet access is very harmful to the body, especially to the brain. Because computers produce radiation that is harmful to the human body. Therefore, it is best for us to go online for 1 hour, and never spend a long time on the Internet.

Surfing the Internet for a long time or staying up late to surf the Internet is very harmful to the body! Especially during the development period, the harm to health is greater, lack of sleep will cause body weakness and fire, malnutrition, liver fire is too strong, people's physical strength will decline, resistance will decline, the most common is cold, cough, dry mouth, nasal congestion, sore throat fever, fatigue, slight cold, body aches, headache and a series of respiratory infections, which is due to the inhibition of cardiopulmonary function, the body may have insufficient oxygen supply, excessive loss of fluid and endocrine disorders! At the same time, long-term exposure to computer radiation has greater damage to people's eyes and brains, **, and liver!

Please be cautious!

Spending a long time on the Internet is not good for your health, and your eyesight will have a great impact.

First of all, the time in front of the computer for a long time is not good for our eyes, so it is easy to be short-sighted,! And when we do things in front of the computer, especially when we play games, it is easy to feel very tired if we maintain the same posture for a long time, and it is easy to get sick if we stay inactive like this for a long time! Especially the neck!