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Why do bioelectrical health instruments have positive and negative electrodes?
Because cells, tissues, organs and liquids of human body all have electrophysiological characteristics and have positive and negative charges.

Electrostatic field, electric field and magnetic field are generated by the positive and negative poles of the instrument, which can stimulate local cells, tissues and organs of human body, improve their vitality, promote blood circulation, improve physical fitness and achieve the purpose of health preservation.

At the same time, different combinations of positive and negative poles can also produce different stimulation effects on different parts of the body, thus achieving precise conditioning.