What is the relationship between magnetism and human body?

As early as the Spring and Autumn Period and the Warring States Period in ancient China, a famous doctor named Bian Que began to treat people with natural magnets. In Ming Dynasty, Li Shizhen also listed magnets as medicines in Compendium of Materia Medica. In modern medical equipment, there are magnetotherapeutic glasses, magnetotherapeutic watches and arthritis magnetotherapeutic instruments. Scientists are studying the relationship between magnetism and health.

After a lot of research, biophysicists have found that the human body is also a conductor, and there are various weak currents and weak magnetic distribution in the human body. When a certain part of the human body is diseased, the current and magnetic force in the body will change. The diagnosis shows that the magnetic response of normal tissue and cancer tissue is different, and the normal magnetocardiogram, magnetoencephalography and myography are also different from those of patients. Magnetic therapy is a therapeutic method to improve the bad current distribution and magnetic field distribution of human body by using external magnetic field.

All living things and people have been living in the geomagnetic environment in the process of evolution. Normal geomagnetism maintains a good electromagnetic balance in the human body. Residents who live near high voltage (such as high voltage lines) and strong current (such as electrified railways) for a long time are prone to blood circulation and nervous system diseases due to the influence of unexpected strong magnetic fields. Especially in the days of magnetic storms, the global geomagnetism is in a state of chaos, and people's morbidity and mortality are increasing. But the magnetic field around the human body is very weak. People think that people who work in modern skyscrapers are prone to get sick, and one of the reasons is related to the lack of geomagnetic field. Because there are a lot of steel bars in the walls of skyscrapers, it plays a barrier role in preventing geomagnetic field from entering the building. For example, transistor radios placed in train carriages (or car carriages) can hardly receive radio broadcasts because the iron carriages block electromagnetic waves (radio waves). This situation is called magnetic shielding. Magnetic shielding makes people in the building lose electromagnetic balance.

At present, people's understanding of the relationship between magnetism and health is not deep, which is also a mystery to be solved.