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What if AIA goes bankrupt?
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It seems impossible at first glance, but it has a history of nearly 1 0 0 years. Let's just say that insurance countries have regulations and cannot be closed easily, so don't worry. I have a friend who bought AIA through Wuzhou Port Insurance. He bought critical illness insurance, and it's right to lose it. You can make a phone call to inquire about the five-ship port insurance. They can provide consultation, purchase and service for mainland residents and provide various insurance products in Hong Kong. ?

Wuzhou Port Insurance Tel: (400 —— 869 —— 1377)

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After Sauers built the typewriter, he found it strange that a typist always broke down during normal typing. To solve this problem, Sauers went to his brother-in-law, a mathematician and school teacher, for help. His brother-in-law proposed a solution: separate the commonly used letters on the keyboard together, so that the typing speed will be slightly slower and the occurrence of faults will be reduced. \x0d Sauers happily adopted his brother-in-law. Arrange the letters in a strange QWERTY order. In order to avoid failure, these letters must be arranged out of order. Telling the public this fact may embarrass Sauer. So he cleverly played a trick, saying that this arrangement is the most scientific and can speed up people's typing. \x0d In fact, this sentence by Sauers has been recognized as "one of the biggest cheating activities in the history of the development of English typewriters" and "a complete lie". \x0d Strangely, those more scientific keyboards that are different from those designed by Sauers have been eliminated by history, but people are getting used to using this kind of keyboard with strange arrangement. People have been trying to invent typewriters for centuries. Henry Mill applied for a patent for the machine. The name of this machine is "man-made machine or tool for copying letters" It can be used to write a single letter or several letters in succession, just like writing. All written contents can be neatly and accurately copied on paper or parchment in capital letters, which is comparable to printing. "That machine may not sell because no one remembers its name. X0d's first typewriter was patented by Christopher latham Shoals of the United States in 1868. His machine is called a typewriter. He has a movable shelf, a lever to change typing paper and an alphabet keyboard. But there's a problem with Shoals. On his original model, the arrangement of "ABC" keys was quickly discovered by typists. Keys are often blocked. Shoals doesn't know how to keep the keys from interfering with each other. His solution is to ask typists not to type too fast. Shoals asked his brother-in-law to rearrange the keyboard so that the most commonly used letters don't get too close together, so that the typing linkage can move in the opposite direction, so as not to collide and block the machine. The new arrangement is the QWERTY arrangement used by typists today. Of course, Shoals called the new arrangement scientific. Speed and efficiency can be improved. In fact, the only efficiency it improves is to slow down the typist, because almost no matter what word is typed in English, the typist's fingers are required to span a longer distance on the keyboard. The advantages of \x0d typewriter certainly outweigh the disadvantages of this keyboard. Typists soon remembered this strange arrangement of letters, and the typewriter was a great success. By the time the typist remembered the new arrangement of letters, the typing speed was improved, the production technology of typewriters also improved, and the letter keys were no longer blocked as easily as they were at the beginning. \x0d From now on, the keyboard invented by Shoals is really not so good, and there are too many shortcomings in letter arrangement. For example, eight of the most commonly used letters 10 in English are too far away from the designated finger position, which is not conducive to improving typing speed; In addition, there are too many letters on the keyboard that need to be typed with the left hand, because most people are right-handed, and there are only 3,000 words in English that can be typed with the left hand, which is awkward to use. Some people have done statistics, using QWERTY keyboard, a skilled typist moves his finger 25.7 kilometers in 8 hours, and he is exhausted at the end of the day. It's a pity that thousands of people get used to it. QWERTY keyboard still firmly occupies the field of computer input. Although someone has designed a more scientific arrangement of keys for a long time, it has never been a climate. Modern computer keyboards don't have the burden of metal bars, which is of course unexpected. \x0d At present, the keyboard commonly used by the public is called "fast hoof keyboard", and the original text is "QWERTY". Does anyone find this word a little familiar and unfamiliar? In fact, it is the combination of the first row of letters on the keyboard. Look at the following three rows of letters: \ x0dq w e r t y u I o p \ x0da s d f g h j k l \ x0dz x c v b n m \ x0d The first typewriter came out in 1868, which is the arrangement order of all computer keyboard letters or English typewriter keyboard letters. Interested readers may want to know why 26 letters are made. It's hard to remember and master. At first, the keyboards were basically arranged alphabetically, but because of the fear that the mechanical rods supporting the keyboards would collide with each other and cause failure, the positions of some letters were adjusted to form what they are today. It is said that the reason is this: \x0d In the 65438+70s, Sholes Co was the largest professional typewriter manufacturer at that time. Due to the imperfect mechanical technology at that time, the keys rebounded slowly after being struck. Once the typist hits the keys too fast, the two keys are easily twisted together and have to be carefully separated by hand, which seriously affects the typing speed. Therefore, the company often receives complaints from customers. \x0d In order to solve this problem, designers and engineers have been racking their brains, because there is really no way to improve the rebound speed of keys. Later, a clever engineer suggested that the reason why the typewriter twisted the keys was that the keys rebounded slowly on the one hand, and the typist hit the keys too fast on the other. Since you can't improve the rebound speed of keys, why not try to slow down the keystroke speed of typists? This is undoubtedly a new idea. There are many ways to slow down the typist's keystrokes. The easiest way is to disrupt the arrangement of 26 letters and put the more commonly used letters under clumsy fingers. For example, the letter "O" is the third most commonly used letter in English, but it is placed under the ring finger of the right hand. The letters "S" and "A", also commonly used letters, are used to type the ring finger and little finger of the clumsiest left hand. Similarly, the letters "V", "J" and "U" which are used less frequently are handled by the most flexible index finger. \x0d Thus, this keyboard with "QWERTY" combination was born and gradually formed. Keys bounce faster than typists do, but the alphabetical order of the keyboard cannot be changed. \x0d This arrangement really brings a lot of input troubles to beginners. In fact, as early as 1936, some people noticed this problem and introduced a more ergonomic keyboard. Unfortunately, this keyboard died in World War II before it went on sale. Recently, a group actively promoted this one called "Devzak".

Keyboards have a long history. As early as 17 14, people in Britain, America, France, Italy, Switzerland and other countries began to invent various types of typewriters. The earliest keyboards were used on typewriters with immature technology at that time. Until 1868, Christopher Latham Sholes, the American "father of typewriter", obtained the patent of typewriter model and the right to operate it. A few years later, he designed a practical form of modern typewriter and standardized the keyboard for the first time, which is now the "QWERTY" keyboard. ?

Why should the keyboard be standardized to the current "QWERTY" keyboard key layout? This is because at first, the keyboards of typewriters were arranged in alphabetical order, and typewriters were all-mechanical typing tools. Therefore, if the typing speed is too fast, some key combinations are easy to get stuck, so Christopher Latham Sholes invented the QWERTY keyboard layout. He put the most commonly used letters in the opposite direction, slowed down the typing speed to the maximum extent and avoided the key jam. Shoals applied for a patent in 1868, and the first commercial typewriter with this layout was successfully put on the market in 1873. This is why there is today's keyboard arrangement. ?

QWERTY's keyboard key layout is very inefficient. For example, most typists are right-handed, but with the QWERTY keyboard, the left hand takes up 57% of the work. The two little fingers and the ring finger of the left hand are the weakest fingers, but they are used frequently. The utilization rate of letters in the middle column only accounts for about 30% of the whole typing workload, so in order to type a word, you often have to move your fingers up and down. ?

1888 An open typing competition was held in the United States. Ma Jialin, a court stenographer, showed his blind typing skills according to the clear division of fingering, and the mistakes were only three ten thousandths, which surprised everyone present. According to records, Ma Jialin's prize was 0 yuan. Since then, many people have followed this blind typing, and the United States has also begun to set up schools to train typists. ?

Because of the appearance of blind typing technology, the keystroke speed is enough to meet the needs of daily work. However, 60 years later (1934), a man named dvorak invented a new arrangement method, which enabled his left and right hands to alternately type more words. This keyboard can shorten the training period by 1/2 times and increase the average speed by 35%. Dvorak's keyboard layout principle is: 1, try to strike alternately with your left and right hands to avoid one-handed combo; 2. The average moving distance of verbal attack keys is the smallest; 3. The most commonly used letters should be ranked in the key position. ?

More reasonable and efficient than DUORAK keyboard is the malt keyboard invented by Lillian Malt. It changes the original staggered rows of character keys, makes the thumb more commonly used, and makes the keys such as backspace, which were far away from the center of the keyboard, easier to reach. But the malt keyboard needs special hardware to be installed on the computer, so it has not been widely used. ?

By the middle of the 20th century, the keyboard had another use-as a basic input device for computers. On the other hand, up to now, "QWERTY" keyboard is still the most widely used keyboard layout, and it is a very typical example of "inferior products win superior products".

Biography of IT people: the inventor of QWERTY keyboard-Shoals

Today, the most commonly used input devices for personal computers are keyboards and mice. ?

The universal keyboard with 10 1 key or 102 key is named QWERTY keyboard because of the arrangement of English letters. There is no doubt that it was born on the English typewriter. Bill Gates once used this keyboard to illustrate what is the "de facto" standard: "The alphabetical order on English typewriters and computer keyboards is QWER? Ty, there's no law that says they have to arrange this. But they are effective and most users will adhere to this standard. " Interestingly, this arrangement is not a reasonable layout. ?

The inventor of QWERTY keyboard is C. Shoals, who lived in the American Civil War in the19th century and was the editor of Milwaukee News. With the help of his good friend Saul, Shoals developed the page numbering machine and obtained the invention patent. Glidden, a colleague of the newspaper, suggested that he further develop a typewriter on this basis and bring him the experimental data of the British. ?

After years of efforts by Shoals and two partners, they made a prototype of the typewriter at 1860. However, Shoals regrets to find that as long as the typing speed is faster, his machine will not work normally. Traditionally, Shoals arranged 26 English letters in the order of ABCDEF on the keyboard. In order to make the typed words one by one, the keys should not be too far apart. In this case, as long as the finger is a little faster, the metal rods connecting the keys will interfere with each other. In order to overcome the interference phenomenon, Shoals rearranged the position of letter keys and arranged the spacing of common letters as much as possible, which prolonged the process of finger movement. ?

The abnormal way of thinking has actually succeeded. Shoals excitedly typed a line of letters: "The first blessing is for all men, especially for all women." Shoals "deliberately" dedicated his invention to women, and he wanted to create a new career for them-"typist". 1868 On June 23rd, the US Patent Office officially accepted the invention patents of typewriters registered by Shoals, Glidden and Sol. ?

At present, the keyboard alphabet invented by Shoal has too many shortcomings. For example, eight of the most commonly used letters 10 in English are too far away from the designated finger position, which is not conducive to improving typing speed; In addition, there are too many letters on the keyboard that need to be typed with the left hand. Because most people are right-handed, it is awkward to use. Some people have done statistics, using QWERTY keyboard, a skilled typist can move his finger for 25.7 kilometers in 8 hours. However, QWERTY keyboard is still the "de facto" standard for computer keyboards today. Although a dvorak, a professor at Washington University, designed a Dvorak keyboard with more scientific key arrangement in 1932, it never became a reality. The mouse was invented by American scientist D. Engelbarth in 1964. Professor Negroponte wrote in "Digital Survival": "At first, he designed the mouse to point at documents, not paintings. But this invention has been handed down and can be seen everywhere today. " ?

Engelbarth is an outstanding thinker, inventor and computer pioneer. He wrote 25 books in his life and held more than 20 invention patents. He made a genius prediction and put forward a theoretical framework in many fields, such as hypertext and hypermedia system, human-computer interaction, network technology and so on. He spent his whole life trying to develop a computer to increase human intelligence, and the mouse was just an incidental invention. ?

Engelbarth worked as a naval radar technician during World War II, and received his doctorate from the University of California, Berkeley. He often fantasizes that computers can display graphics like radar and control operations through joysticks. 1964, with the support of the Advanced Planning Research Agency (ARPA) of the Ministry of National Defense, Engelbarth established the Augmented Research Center to realize his dream. 1968, at the American autumn computer conference, Engelbarth showed his new invention to the participants: using a keyboard, a monitor and a rough mouse to remotely operate a simple large computer 25 kilometers away, which caused a great sensation among the people who were still using punched cards to output. ?

The shell of Engelbarth mouse prototype is exquisitely carved from wood, with only one button, unlike the modern mouse with three buttons. A metal roller is installed at the bottom to control the movement of the cursor. 1970 when applying for patent, the name of this small device was "X-Y position indicator of display system". Someone in America joked that only men would think of calling it "mouse" because in American slang, "mouse" also means "girlfriend". ?

From 65438 to 0972, Palo Alto Research Center (PARC) of Xerox Company developed "Alto" microcomputer with graphical interface. Among the developers, there are people who "jumped ship" from Engelbarth Lab, and they configured the mouse on this computer as a convenient graphic control device. 1983, Apple also equipped their first mouse on the "Lisa" microcomputer. Since then, the mouse has gradually become an indispensable input device for personal computers. (No.104)

At present, people pay more and more attention to the negative effects of computers on human physiology and psychology. Therefore, we should use computers scientifically to reduce the harm of computers and networks. ?

First, enhance self-care awareness and pay attention to proper rest during work. Generally speaking, computer operators should rest for about 1 0 minutes after continuous work. And it is best to move your hands, feet and torso outside the operating room. At ordinary times, we should strengthen physical exercise, enhance physical fitness, and conduct regular physical examination and self-psychological measurement. ?

Second, pay attention to the working environment. The light in the computer room should be suitable, neither too bright nor too dark, so as to avoid interference caused by direct light irradiation on the fluorescent screen. The studio should be ventilated and dry, so that those harmful gases can be discharged as soon as possible, and try to reduce noise with a non-impact printer. ?

Third, pay attention to the correct operating posture. The center of the computer screen should be installed at the same height as the operator's chest, and it is best to use a chair with adjustable height. When sitting, you should have enough space to stretch your feet and don't cross your legs, so as not to affect blood circulation. ?

Fourth, pay attention to protect your eyesight, avoid operating the computer continuously for a long time, and pay attention to rest in the middle. To maintain a most suitable posture, the distance between the eyes and the screen should be 40-50 cm, so that the eyes can look down at the screen horizontally or slightly, which can relax the neck muscles and minimize the exposed area of the eyeball. If you have dry eyes, redness, burning or foreign body sensation, heavy eyelids, blurred vision, or even eye pain or headache, you need to go to the hospital to see an ophthalmologist. ?

Five, pay attention to the computer operators who work too long in front of the screen, rhodopsin on the retina will be consumed, and rhodopsin is mainly synthesized by vitamin A. Therefore, computer operators should eat more carrots, Chinese cabbage, bean sprouts, tofu, red dates, oranges, milk, eggs, animal liver, lean meat and other foods to supplement vitamin A and protein in the human body. Drink more tea, tea polyphenols and other active substances in tea can help absorb and resist radioactive substances. ?

Sixth, pay attention to keep your skin clean. There is a lot of static electricity on the surface of computer screen, and the accumulated dust can be transferred to the exposed skin of face and hands. After a long time, it is easy to cause macula and pigmentation, and even cause skin lesions in severe cases. ?

Health care for computer people?

Can computer people drink more green tea and chrysanthemum tea?

In addition to being exposed to electromagnetic radiation, the flicker of computer screen also has a strong stimulating effect on eyes. ?

People who use computers for a long time are prone to eye diseases. Experts believe that drinking more green tea at ordinary times can play a certain anti-radiation role. In addition, chrysanthemum also has a good effect on treating eye fatigue and blurred vision. For computer families who often feel dry eyes, drinking chrysanthemum tea is beneficial and harmless. ?

Many people know that long-term use of computers will affect health. ?

Computer families are prone to varicose veins of lower limbs, cervical spondylosis, lumbar disc herniation and eye diseases. ?

Nervous eyes

Because the computer patriarch sits in front of the computer for a long time and sees things closer, it forces the ciliary muscles of the eyes to be in a state of contraction and tension, thus making the lens bulge to adapt to nearby objects. Long-term eye tension without rest can lead to myopia. Excessive visual fatigue can also lead to the obstruction of aqueous humor operation, which is more likely to lead to glaucoma. At the same time, dry eye, cataract, corneal ulcer and retinal detachment are also common eye diseases for long-term computer users. ?

In addition to being exposed to electromagnetic radiation, the flicker of computer screen also has a strong stimulating effect on eyes, causing people to cry, vision loss, dizziness and other symptoms. ?

Anti-radiation effect of green tea?

Experts believe that drinking more green tea at ordinary times can play a certain anti-radiation role. Shennong Materia Medica lists tea as one of 365 kinds of medicines, and says: "Drinking tea tastes bitter, which makes people think better, lie down less, make them healthy and improve their eyesight." ?

Experts believe that vitamin C and vitamin E contained in green tea, especially tea polyphenols, have strong antioxidant activity and can remove oxygen free radicals in the human body, thus playing a role in anti-radiation and enhancing the body's immunity. ?

In addition, tea contains carotene, which can be converted into vitamin A under the action of intestinal wall and liver. Vitamin A can nourish eyes, relieve eye fatigue and prevent night blindness. ?

Make the brain more agile?

Not long ago, British scientists found that drinking tea can prevent the synthesis of an enzyme in the human body, which will destroy acetylcholine, the medium that transmits information between brain cells. Therefore, drinking tea has another advantage for office workers who often use computers, which is to make their brains more agile. ?

Previous medical reports show that there are more than 700 known compounds isolated and identified in tea, including protein, fat, sugar, polyphenols, saponins, alkaloids, theanine, pigments and aromatic substances. ?

Chrysanthemum tea protects eyes?

In addition, computer families can also use chrysanthemum tea to "care" their eyes. People in China have known since ancient times that chrysanthemum has the function of protecting eyes. Chrysanthemum has a good effect on treating eye fatigue and blurred vision. ?

Lycium barbarum chrysanthemum tea?

"Compendium of Materia Medica" records that chrysanthemum is "sweet in nature, cold in taste, and has the effects of dispelling wind and clearing heat, calming the liver and improving eyesight". Modern pharmacology shows that chrysanthemum is rich in vitamin A, which is an important substance to maintain eye health. Chrysanthemum tea can make people clear-headed and bright eyes, especially for dry eyes caused by excessive liver fire. For computer families who often feel dry eyes, drinking chrysanthemum tea is beneficial and harmless. ?

The drinking method of chrysanthemum tea is very simple, as long as the dried chrysanthemums sold in the market are soaked in water or boiled. Usually, you can soak one or two cups of chrysanthemum tea regularly, which can achieve the effect of eye care. If you drink three or four cups of chrysanthemum tea every day, it will also help your eyesight. ?

Some people also like to add Lycium barbarum to chrysanthemum tea. The brewed tea is the famous "Chrysanthemum Lycium Tea", which has a higher eye protection effect, because chrysanthemum and Lycium barbarum are both Chinese medicines for eye protection. ?

It is worth noting that people who are cold in chrysanthemum, cold in constitution, afraid of cold at ordinary times and prone to cold hands and feet should not drink it often, but should drink it in moderation. ?

Can computer people drink more green tea and chrysanthemum tea?

In addition to being exposed to electromagnetic radiation, the flicker of computer screen also has a strong stimulating effect on eyes. ?

People who use computers for a long time are prone to eye diseases. Experts believe that drinking more green tea at ordinary times can play a certain anti-radiation role. In addition, chrysanthemum also has a good effect on treating eye fatigue and blurred vision. For computer families who often feel dry eyes, drinking chrysanthemum tea is beneficial and harmless. ?

Many people know that long-term use of computers will affect health. ?

Computer families are prone to varicose veins of lower limbs, cervical spondylosis, lumbar disc herniation and eye diseases. ?

Nervous eyes

Because the computer patriarch sits in front of the computer for a long time and sees things closer, it forces the ciliary muscles of the eyes to be in a state of contraction and tension, thus making the lens bulge to adapt to nearby objects. Long-term eye tension without rest can lead to myopia. Excessive visual fatigue can also lead to the obstruction of aqueous humor operation, which is more likely to lead to glaucoma. At the same time, dry eye, cataract, corneal ulcer and retinal detachment are also common eye diseases for long-term computer users. ?

In addition to being exposed to electromagnetic radiation, the flicker of computer screen also has a strong stimulating effect on eyes, causing people to cry, vision loss, dizziness and other symptoms. ?

Anti-radiation effect of green tea?

Experts believe that drinking more green tea at ordinary times can play a certain anti-radiation role. Shennong Materia Medica lists tea as one of 365 kinds of medicines, and says: "Drinking tea tastes bitter, which makes people think better, lie down less, make them healthy and improve their eyesight." ?

Experts believe that vitamin C and vitamin E contained in green tea, especially tea polyphenols, have strong antioxidant activity and can remove oxygen free radicals in the human body, thus playing a role in anti-radiation and enhancing the body's immunity. ?

In addition, tea contains carotene, which can be converted into vitamin A under the action of intestinal wall and liver. Vitamin A can nourish eyes, relieve eye fatigue and prevent night blindness. ?

Make the brain more agile?

Not long ago, British scientists found that drinking tea can prevent the synthesis of an enzyme in the human body, which will destroy acetylcholine, the medium that transmits information between brain cells. Therefore, drinking tea has another advantage for office workers who often use computers, which is to make their brains more agile. ?

Previous medical reports show that there are more than 700 known compounds isolated and identified in tea, including protein, fat, sugar, polyphenols, saponins, alkaloids, theanine, pigments and aromatic substances. ?

Chrysanthemum tea protects eyes?

In addition, computer families can also use chrysanthemum tea to "care" their eyes. People in China have known since ancient times that chrysanthemum has the function of protecting eyes. Chrysanthemum has a good effect on treating eye fatigue and blurred vision. ?

Lycium barbarum chrysanthemum tea?

"Compendium of Materia Medica" records that chrysanthemum is "sweet in nature, cold in taste, and has the effects of dispelling wind and clearing heat, calming the liver and improving eyesight". Modern pharmacology shows that chrysanthemum is rich in vitamin A, which is an important substance to maintain eye health. Chrysanthemum tea can make people clear-headed and bright eyes, especially for dry eyes caused by excessive liver fire. For computer families who often feel dry eyes, drinking chrysanthemum tea is beneficial and harmless. ?

The drinking method of chrysanthemum tea is very simple, as long as the dried chrysanthemums sold in the market are soaked in water or boiled. Usually, you can soak one or two cups of chrysanthemum tea regularly, which can achieve the effect of eye care. If you drink three or four cups of chrysanthemum tea every day, it will also help your eyesight. ?

Some people also like to add Lycium barbarum to chrysanthemum tea. The brewed tea is the famous "Chrysanthemum Lycium Tea", which has a higher eye protection effect, because chrysanthemum and Lycium barbarum are both Chinese medicines for eye protection. ?

It is worth noting that people who are cold in chrysanthemum, cold in constitution, afraid of cold at ordinary times and prone to cold hands and feet should not drink it often, but should drink it in moderation. ?

Beware of computer hazards?

In the office, computers are our most important office supplies. It's hard to imagine how we would work without it. But unfortunately, when we enjoy the convenience brought by computer, we have to accept its threat to our physical and mental health. Therefore, understanding and preventing computer "diseases" is our top priority. In order to fully understand the negative impact of computers on OL's body and mind, we specially organized this plan to comprehensively introduce the tips and methods to alleviate the eight computer "diseases" that OL is most difficult to escape. ?

Rule number one: electromagnetic radiation?

Symptoms: insomnia, endocrine disorders?

Cause of disease: the monitor is too hot, and there will be a considerable amount of electromagnetic radiation when working, which will ionize the air, constantly produce positive charges (positive ions), and constantly neutralize the negative ions in the air, resulting in almost zero negative ion content. The more beneficial negative ions, the more harmful positive ions. Being in an environment with too many positive ions for a long time, it enters the lungs through breathing, and then it is transported to various tissues of the human body with blood circulation, which makes people's blood and body fluids acidic, delays the normal metabolic function of the body and accumulates toxins in the body. Causes insomnia, decreased immunity, and female endocrine disorders. ?

Mitigation methods?

1. Clean the office environment carefully. Because positive ions will be firmly adsorbed on dust particles, the more dust, the more positive ions. ?

2. Drink more tea. Tea polyphenols and other active substances contained in tea help to absorb radioactive substances. ?

3. Most of the radiation emitted by the display does not come from its front, but from its sides and back. So, don't point the back of the monitor at the back of your colleague's head or the side of your body. ?

4. Drink green tea often. Green tea is the most talked about health drink in recent years, because it contains powerful antioxidants catechol and vitamin C, which can not only eliminate free radicals in the body, but also make the accessory renal cortex secrete hormones against stress, greatly improving the mood. But it is best to drink it during the day, so as not to affect sleep. ?

5. Mung beans can clear away heat and detoxify, induce diuresis and reduce swelling, and coix seed can strengthen the spleen and stop diarrhea, and lighten the body and replenish qi. Often need to work late or when fidgety, dry mouth, constipation, it is very helpful to eliminate fidgety. ?

6. Washing your face frequently can prevent the skin from being stimulated by radiation waves. ?

7. Put a pot of plants or water under the computer desk to absorb the electromagnetic waves emitted by the computer. ?

8. Try to use LCD monitors. ?

9. Wear a radiation-proof Chinese-style chest covering. ?

Count 2: Dust field?

Symptoms: Skin allergy?

Cause: An electrostatic field will be formed around the turned-on monitor, which will almost suck the dust suspended in the air of the whole room into its own field, thus stimulating the facial skin and causing allergic skin rash. Sitting in front of the computer, your surroundings are full of air containing a lot of dust particles, so the user's skin is very prone to allergic phenomena such as rash. ?