“.. without ions we could not absorb oxygen in the quantities needed to live.”
Ion is an atom or group of atoms that has obtained a net electric charge by gaining or losing electrons from a neutral configuration.
Picture of an atom w electrons floating around
The harmful positive ion (cation) is a particle that loses an electron. The healthful negative ion (anion) gains an electron in the valency orbit; that is, it increases the ability to absorb and utilize oxygen and reduces any excess of harmful cortisol.