What's good out of medical magnets?

Strong magnetic fields are harmful to the human body. For example, it can lead to hair loss. People who work in a strong magnetic field environment for a long time should be demagnetized after work is this reason. Magnets are neither harmful nor beneficial to the human body. There are nuclear magnets in medical equipment with high magnetic fields of 3T or more, none of which are harmful to the human body. It is recognized that among all the radiology medical equipment, nuclear magnet is the safest. In other words, people are not afraid of magnetic fields, but more afraid of rays. It is true that high magnetic fields have some negative effects on the human body, but the limited amount of magnets in a magnet is simply unlikely to have any effect on the human body. Some people claim that magnets provide the magnetic force to change physiological organization, and even believe that every cell has positive and negative poles, while others claim that magnets can enhance the circulation of blood. In fact, there is no evidence of any interaction between the body's tissue cells or blood and magnetic fields, and the iron ions in red blood cells, not only are not ferromagnetic, but are even antimagnetic and are not attracted to magnetic fields.