The FDA says the unsafe herb might be dangerous to blood sugar, reproductive, cardiovascular and renal systems. In a letter to the makers of the popular Celestial Seasonings-brand products, FDA officials say the South American herb stevia is an unsafe food additive. Stevia is several hundred times sweeter than sugar but with no calories, is approved as a dietary supplement, but not as a food additive in the U.S. The herb is being eyed by several big beverage companies that are looking for new low-calorie sweeteners. (Copyright 2007 by Newsroom Solutions/Regional News Service) .

Antioxidants -- Preventing Diseases, Naturally

When it comes to boosting antioxidant intake, recent research indicates there's little benefit from taking diet supplements. A better way, according to a report in the September issue of Mayo Clinic Health Letter, is eating a diet rich in antioxidant-containing foods. .