The oxygen combines with them to render them harmless, thereby protecting cells from damage. There could be no life without free radicals. A free radical is really a temporary stopping point leading from one stable molecule to another. The normal life-span of such unstable particles is thousandths of a second, and millions of these fleeting molecules emanate in every cell as it burns sugar with oxygen. Everything on our planet has a positive and a negative effect.
Free radicals are a part of our natural immune system.
Oxygen bonds to our hemoglobin as a super oxide anion, so the oxygen in our breathing process is an established radical. Ozone therapy is harmless when used properly and has virtually no side effects. It is one of the most effective ways of restoring optimal levels of oxygen to the body. Its actions have beneficial effects on every part of the body. Oxygen regulates all activities of the body.