The alternating phase in the magnetic field will emit electromagnetic radiation, which is harmful to people's health if it exceeds a certain dose.
Electromagnetic radiation pollution, also known as electronic fog pollution and electromagnetic wave pollution, refers to electromagnetic waves with different wavelengths and frequencies generated by high-voltage lines, substations, radio stations, TV stations, electromagnetic wave transmission towers, microwave ovens, radios, televisions, computers, mobile phones and other electronic instruments, medical equipment, office automation equipment and household appliances. These electromagnetic waves fill the space and can penetrate many substances including the human body. When the radiation dose exceeds the standard, human cells will be killed or die in a large area.
What harm does electromagnetic radiation do to human body? "The harm of electromagnetic radiation to human body is divided into thermal effect, non-thermal effect and cumulative effect." The so-called thermal effect refers to the' heating' effect of high-frequency electromagnetic waves on biological cells, which raises the body temperature. Because electromagnetic waves penetrate the biological surface and directly act on the internal tissues, there is often nothing on the body surface, but the internal tissues have been severely burned, and the effects on the cardiovascular system include palpitation, head swelling, insomnia, menstrual disorder, bradycardia, decreased blood volume, sinus arrhythmia, visceral cell disease, leukopenia, arrhythmia and so on. The impact on the visual system is decreased vision, causing cataracts and so on. The effects on reproductive system include decreased sexual function, decreased male sperm quality, spontaneous abortion of pregnant women, fetal malformation and so on. "
Non-thermal effect is the influence of low-frequency waves, that is, after the human body is radiated by electromagnetic waves, the body temperature does not increase significantly, but the weak electromagnetic field inherent in the human body is disturbed, which will also cause serious harm to the human body. The cumulative effect is that the human body has no time to recover from radiation and is injured by radiation, which will become a permanent pathology for a long time.