Antioxidants are a group of several organic substances, including selenium, vitamins C, E, and A, and a group known as carotenoids. Antioxidants are abundant in fruits, vegetables, grain, and coffee. Antioxidants are vital to our health because, on a molecular level, antioxidants protect the body from free-radicals.
Free radicals are the natural by product of many processes within and among cells. They are also created by exposure from various environmental factors, like tobacco smoke, and radiation. Free-radicals generally come in the form of O2 (dioxide). Within the body O2 wants to be oxidized, this oxidation process can be carcinogenic.
For more information read "Antioxidants and Your Health".
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