So far, the research on microwave has proved that the cumulative effect of long-term exposure to microwave or other electromagnetic fields is unbearable. Therefore, some countries have formulated microwave standards that are allowed in the environment. Among them, the maximum amount stipulated by the former Soviet Union is 0.1MW/cm2; American regulation 10 MW/cm2. Scientists have studied the electric field generated by high-voltage lines for a long time, and found that people who work under high-voltage lines for a long time may cause abnormalities in blood, cardiovascular system and central nervous system, and some young people will feel sexual dysfunction. Robert Burke, a surgeon in New York, USA, put some mice in an electric field for a long time, and found that some mice developed tumors and some mice suffered from pinkeye. All these mice showed pathological changes in blood cell count, protein and fat. If people are placed in an electric field with a fixed frequency, it is also found that the blood lipid value has changed. In Germany, thousands of babies die of unknown causes every year. German electrical engineer Egon? Gelter found that most of these deaths occurred in electrified railway lines, radio broadcasting or relay stations, radar or high voltage.
Near the line.
Why do electromagnetic waves affect people's health? It turns out that gas molecules can be ionized into positive and negative ions. Originally, they kept the same proportion in the atmosphere, but various factors can change this proportion. Such as air pollution, metal structure, electrical appliances, motors and other reasons, have "swallowed up" a large number of negative ions. Experiments show that negative ions play an important role in human health. Animals will die within 2-8 days if they are placed in the atmosphere that releases negative ions. In addition, oxygen can only exist in red blood cells by negative ions. Therefore, negative ions have an effect on the oxygen necessary for our breathing, the spread and reproduction of viruses and bacteria, and the electromagnetic level in the human body. The biochemical effect of atmospheric ionization makes people gradually understand that reducing the number of negative ions will have harmful effects on human body. Electromagnetic waves are the biggest enemy of "swallowing" negative ions.
According to experts, all kinds of household appliances, hospital monitoring instruments, mobile communication equipment and other electrical equipment will have electromagnetic radiation around them as long as they are in operation and use.
Electromagnetic radiation is harmful to human body, mainly because the water molecules in human body rub against each other after being radiated by electromagnetic waves, which leads to the body heating, thus affecting the normal work of internal organs; In addition, there are weak, stable and orderly electromagnetic fields in human organs and tissues. Once disturbed by external electromagnetic radiation, the electromagnetic field of the human body in a balanced state will be destroyed and the human body will be damaged. It is particularly noteworthy that if the human body is exposed to electromagnetic radiation again without repairing the electromagnetic radiation damage in time, its harm will be even greater.
In fact, the harm of the transmission tower to human body is far less than that of some electrical (electronic) products around us, such as computers, mobile phones, televisions and so on. Radiation affects pregnant women more seriously, because we know that she is not only a person, but also pregnant with new life.
Therefore, in order to reduce the influence of radiation, we should take daily protective measures at home to avoid radiation damage of household appliances as much as possible. Experts put forward specific practices:
1. Choose brand-name household appliances from regular manufacturers. Generally, the radiation of household appliances of big brands has been strictly tested by relevant state departments to ensure safety.
2. The use of all kinds of electrical appliances should keep a safe distance. Stay away from the microwave oven at least 1 m, the distance between TV and people should be 4 to 5 meters, and the distance between TV and lights should be 2 to 3 meters. Be sure to turn off the power supply for unused appliances.
Don't put household appliances too concentrated. Especially televisions, computers and refrigerators. Not suitable for the bedroom;
4. shorten the time of using electrical appliances. All kinds of household appliances should avoid long-term operation and simultaneous use, and don't hang your mobile phone on your chest when answering;
5. Wear radiation protection clothes and use computer and TV radiation screens if possible.
In order to prevent (reduce) the harm of radiation to human body, we should pay attention to:
1. Try to avoid radiation pollution.
2. Don't put household appliances too concentrated or use them together frequently, so as not to expose yourself to the harm of over-dose radiation. Especially TV sets, computers, refrigerators and other electrical appliances should not be placed in the bedroom.
3. Various household appliances, office equipment, mobile phones, etc. Should be avoided for a long time. When TV, computer and other electrical appliances need to be used for a long time, you should pay attention to leaving at least once every 1 hour, and farsightedly or close your eyes to reduce eye fatigue and radiation effects.
4. When the electrical appliance is suspended, it is best not to leave it in standby state, because it can generate weak electromagnetic field and radiation accumulation for a long time.
5. Keep a safe distance when using all kinds of electrical appliances. For example, the distance from the eyes to the TV screen is generally about 5 times the width of the screen; After the microwave oven is turned on, it should be at least 1 meter away, and pregnant women and children should stay away from the microwave oven as far as possible; When using a mobile phone, the distance between the head and the antenna of the mobile phone should be as far as possible, and it is best to use a separate earphone and microphone to answer the phone.
6. If consumers are exposed to excessive electromagnetic radiation for a long time, the following self-protection measures should be taken:
① People who live and work near high-voltage lines, substations, radio stations, TV stations, radar stations and electromagnetic wave transmission towers, patients who wear pacemakers, people who often use electronic instruments, medical equipment and office automation equipment, and people who live in modern electrical automation environment, especially pregnant women, children, the elderly and patients with weak resistance, should be equipped with shielding clothing to prevent electromagnetic radiation to the maximum extent.
(2) TV, computer and other electrical equipment with display screens can be equipped with electromagnetic radiation protection screens, and users can also wear radiation protection glasses to prevent electromagnetic waves radiated by the screens from directly acting on human bodies.
(3) The mobile phone emits the largest electromagnetic radiation at the moment of contact. Therefore, it is best to answer the phone after the phone rings for a second or two or after the phone rings twice.
(4) The radiation generated by TV, computer and other electrical screens will lead to dryness and dehydration of human skin, accelerate skin aging and even lead to skin cancer. Therefore, wash your face in time after using the above appliances.
⑤ Eat foods rich in vitamins A, C and protein, such as carrots, bean sprouts, tomatoes, rape, kelp, Chinese cabbage, lean meat and animal liver. Therefore, it helps to adjust the disorder of human electromagnetic field and enhance the ability of human body to resist electromagnetic radiation.