When electricity flows, magnetic fields are created. This extraordinary amount of electrical activity that keeps our body alive naturally creates its own magnetic fields. Whenever electricity flows (that means when charged particles and molecules like ions are being moved), a proportional magnetic field is created according to Ampere’s law. Most people assume that this electrical activity is limited to the nervous system, but the vast majority of chemical reactions in the body are accompanied by the movement of charged particles (ions). Considering that most fluids in the body are actually electrolytes (which are ions dissolved in liquid), we can compare the human body to a large battery that generates electricity and occasionally needs to be recharged.
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