BACKGROUND AND OBJECTIVES: Electronic personal health records (PHRs) allow patients access to their medical records, self-management tools, and new avenues of communication with their health care providers.
Antioxidants are chemicals that interact with and neutralize free radicals, thus preventing them from causing damage. Antioxidants are also known as âfree radical scavengers.â. The body makes some of the antioxidants it uses to neutralize free radicals. These antioxidants are called endogenous antioxidants. However, the body relies on external (exogenous) sources, primarily the diet, to obtain the rest of the antioxidants it needs.
noun. Antioxidant is defined as any substance that prevents or repairs the process of oxidation. An example of something that is described as antioxidant are pomegranates. An antioxidant keeps a substance from degrading or decaying by inhibiting the chemical reaction called oxidation, the reaction of substances to exposure to oxygen molecules. An example of an antioxidant is wax used on a car to prevent rust. The definition of an antioxidant is something that prevents or repairs damage that has been done to the body by oxidation. An example of an antioxidant is Vitamin A.