Key Points. 1  Vegetables and fruits are rich sources of antioxidants. 2  There is good evidence that eating a diet that includes plenty of vegetables and fruits is healthy, and official U.S. Government policy urges people to eat more of these foods.xamples of antioxidants include vitamins C and E, selenium, and carotenoids, such as beta-carotene, lycopene, lutein, and zeaxanthin. This fact sheet provides basic information about antioxidants, summarizes what the science says about antioxidants and health, and suggests sources for additional information.
Human genetic disease, any of the diseases and disorders that are caused by mutations in one or more genes. 1  With the increasing ability to control infectious and nutritional diseases in developed countries, there has come the realization that genetic diseases are a major cause of disability, death, and human tragedy.
1 Fragile X syndrome (also called Fragile X) is the most common inherited form of mental problems (mental retardation).  Fragile X syndrome is caused by changes in a single X chromosome (FMR1).