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.
Definition of 'antioxidant'. antioxidant (Ã¦ntiÉksÉªdÉnt ) also anti-oxidant. An antioxidant is a substance which slows down the damage that can be caused to other substances by the effects of oxygen. Foods which contain antioxidants are thought to be very good for you.