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Is nonmagnetic underwear harmful to health?
Non-magnetic underwear is harmless to the body, explain in detail:

First, magnetic therapy underwear bra can effectively eliminate a variety of bacteria and germs, improve chest microcirculation, accelerate blood circulation, dredge breast ducts, and enhance the adsorption capacity of thoracic cavernous body. Magnetic therapy underwear bra plays a good role in regulating chest dysplasia, flattening, sagging and sagging.

Second, the magnetic therapy underwear bra can reduce the probability of breast hyperplasia by improving the blood circulation in the chest, thus having certain preventive and alleviating effects on mastitis, breast lump, lobular hyperplasia and breast cancer. At the same time, the magnetic therapy underwear bra also has the functions of strengthening, beautifying and protecting the heart. "

Thirdly, advocates of magnetic therapy claim that magnetic therapy can promote blood circulation because it contains iron and can be attracted by magnets. It seems logical that magnets can absorb iron. But the iron in blood is not an iron metal. The reason why ferrous metals have strong magnetism is that each iron atom interacts and is arranged in parallel and in the same direction.

Fourthly, the phenomenon of "ferromagnetism" is the result of the cooperation of many iron atoms. But in blood, iron atoms are wrapped in hemoglobin. Although each iron atom is magnetic, it is separated from each other and its magnetism is very weak.

5. Other components in blood (such as water) are diamagnetic. Together, blood has weak diamagnetism, which will not only be attracted by the magnetic field, but also be repelled. However, the magnetic field generated by magnetic therapy is not strong enough to affect blood. Its strength is even difficult to penetrate the skin (it can't be detected beyond a few millimeters), and it is even less likely to affect the internal organs.

6. Whether magnetic therapy can promote blood circulation is easy for consumers to verify. If the magnet can really attract blood, then the blood in the skin will flow to it, and we will see that the place where the skin touches the magnet is red. In fact, we certainly can't see this phenomenon. Experiments show that even if the intensity of constant magnetic field is as high as 1 Tesla (ten times or dozens of times that of magnetic therapy products on the market), it has no effect on human blood circulation. To take a step back, even if there is a component in the blood that can be affected by the magnetic field, it does not mean that it will be good for blood circulation and health.