Does 'electromagnetic wave' emitted from smartphones, PCs and other electronic products adversely affect the human body?
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It is extremely difficult to live life without using any electrical powered appliances in modern society. However, it can be said that electric appliances are overflowing too much, such as PCs, TVs, refrigerators, air conditioners, microwave ovens, washing machines, etc., from smartphones that carry around on their own skin. Kurzgesagt , a science-based YouTube channel, has compiled whether the electromagnetic waves emitted from such appliances will actually have an adverse effect on the human body.
Could Your Phone Hurt You? Electromagnetic Pollution-YouTube
Electricity is used throughout human life. Smartphones and PCs that are at the daily necessities level of modern people ...
Everything is powered by electricity, from city lights to cars. Electricity makes people's lives more convenient, safer and more enjoyable, but few people are concerned about the effects of electricity on the human body.
Electricity refers to various phenomena caused by the movement of charge.
The movement of charge generates electric and magnetic fields, carrying energy.
This phenomenon is called 'electromagnetic wave'.
Electromagnetic waves are different in the
From microwaves used in infrared and microwave ovens to radio waves used in radios, it's all about electromagnetic waves.
Long waves below visible light are electromagnetic waves used mainly in human technology, and are emitted from cell phones, Wi-Fi routers, electric wires, home appliances and so on.
The electromagnetic waves emitted by these appliances do not affect the molecules of the human body, but certain types of electromagnetic waves can stimulate muscles and nerves or cause the hair of the body to vibrate.
A microwave oven warms food by vigorously vibrating water molecules contained in the food using microwaves.
A phenomenon similar to this also occurs in humans. When you are in the sun on the beach, you feel warmth and the skin gets hot because the infrared rays emitted from the sun cause the same phenomenon as food in the microwave on the skin.
Generally, such electromagnetic waves are harmless. However, since the industrial revolution, things that radiate too much electromagnetic waves have increased in our lives. Whether this is really dangerous is the main theme of this movie.
In 1979, a boy living near the transmission line became leukemia, and from there he presented the results of research linking electromagnetic waves and leukemia. Although this paper has not been able to explain the direct connection between leukemia and electromagnetic waves, once such an idea has appeared, then thousands of studies calling for the danger of electromagnetic waves will be published It will be.
Many people claim that they are sensitive to electromagnetic waves from mobile phones and home appliances, and complain of headaches, nausea, skin reactions, fatigue, etc. These symptoms may be reported daily and may not be significant.
However, some studies have resulted in much more anxiety. For example, a tumor was found in the brain of a person who always takes a phone call with one ear.
Among the electromagnetic waves, high energy ones have different effects from low energy ones. For example, X-rays cause immediate damage to DNA in cells, but radio waves used in radio do not have such an effect.
So if low-energy electromagnetic waves continue to be exposed in the long run, will they not adversely affect the human body?
It is very difficult to answer this question.
There are thousands of research results on electromagnetic waves, among which Kurzgesagt has found that 'how science should be transmitted'. Much of the research on electromagnetic waves is quoted as if to cause panic, and Kurzgesagt points out that this is a problem.
For example, suppose a census based on self-reporting was conducted.
In a survey, I asked a patient with a brain tumor how much he thought he had used a mobile phone in the last few years. The problem is that it is a self-reported survey, and people tend to misunderstand things and are easily affected, so the answers may be unreliable.
However, in research and media coverage, we sometimes cite or find headlines that are most appropriate for what you want to convey.
For example, in a study that investigated whether the electromagnetic waves from mobile phones cause cancer in rats and mice, somehow only male rats were found to have cancer.
Somehow I could not find any cancer with my mouse, but my research has been published in the form of 'electromagnetic waves in mobile phones cause cancer' ...
It becomes a place known to the world as it is.
Another unfortunate example is that
As Kurzgesagt thoroughly examined the past researches and the like, no consistent evidence that electromagnetic waves adversely affect human bodies was found.
Of course, there are many studies that point out the effects of electromagnetic waves and electromagnetic radiation, but they are said to have some contradictions.
If there is a clear cause-and-effect relationship, then we should already be aware that in current science we should be concerned about electromagnetic waves emitted from home appliances such as PCs, mobile phones and TVs. 'No' and Kurzgesagt.
So what on earth are those who claim that the electromagnetic waves emitted by appliances have a negative impact on the human body? Studies have shown that people who complain about the adverse effects of electromagnetic waves may be affected by the '
People who experience a headache and feel better after turning off their PC may come to think of combining electromagnetic waves and headaches. Such suspicion is likely to cause adverse effects on the human body. Because there is no treatment for these people, people may feel that they are not listening to their opinions seriously, and misunderstandings may accelerate and make the situation worse. Therefore, these people should be treated properly. However, it should be noted that there is no solid evidence that electromagnetic waves below the safety limit will adversely affect the human body at the time of writing.
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