| Oxidative stress is now recognized as a leading cause | | | | body in excess, the harmful condition known as |
| of chronic disease and aging. It occurs when free | | | | oxidative stress occurs. |
| radicals -- toxic oxygen molecules produced by | | | | "There is evidence that free radicals are a |
| normal body processes but also via external sources | | | | predominant factor in the etiology of a wide range of |
| like stress and pollution -- spiral out of control. | | | | diseases and conditions such as cancer, diabetes, |
| Even the healthiest among us have free radicals in | | | | atherosclerosis, Alzheimer's disease and rheumatoid |
| our systems. However, free radicals are normally | | | | arthritis," says free radical and antioxidant expert Li Li |
| kept under wraps where they cannot cause great | | | | Ji, Ph.D. of the University of Wisconsin in Madison. |
| harm to the body. When free radicals exist in your | | | | |