Antioxidants: Health and DiseaseAbout This Hardback Oxidation is a chemical reaction that can produce unstable molecules called free radicals. These unstable molecules may damage the cells and contribute to cancer, heart disease, high blood pressure, and diabetes. Antioxidants are substances that neutralize the free radicals and inhibit cell damage. They can be either man made or synthetic in nature. Diets which are high in antioxidants, such as vegetables and fruits, have been