Records cataloging the healing powers of natural substances - plants, minerals, and animal byproducts - date back more than 4,000 years. There is no denying the effectiveness of traditional Chinese medicine, yet - until recently - the roots of this knowledge were largely lost in superstition and folklore. However, the use of herbs as an alternative medical treatment for many illnesses has increased steadily over the last decade, particularly since such herbs are categorized as "Natural Food Products" and are not yet subject to strict control by the FDA. Reports published in 1996 indicate that...