Free radicals are mainly oxygen molecules or atoms that have at least one unpaired electron in their outer orbit. In the process of utilizing oxygen during normal metabolism within the cell to create energy (called oxidation), active free oxygen radicals are created. They essentially have an electrical charge and desire to try to get an electron from any molecule or substance in the vicinity. They have such violent movement that they have been shown chemically to create bursts of light within the body. If these free radicals are not rapidly neutralized by an antioxidant, they may create even
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free radical
