Foreword<br > This popularly written medical science book serves two<br >major sectors of the reading public: 1) physicians and their al-<br >lied health professionals， and 2) lay people concerned with<br >health maintenance. The numerous references and scientific<br >presentations of the information will serve the first group<br >well， while the stepwise structure of the book， ready explana-<br >tions， good humor， and Glossary will help the general public.<br >For both groups， this book offers two things:<br >First， it represents a cohesive "clearinghouse" of infor-<br >mation that， to date， had previously been scattered in<br >diverse sources ranging from medical books to media<br >headlines. The book reveals the medical scientific bases<br >for preventing the major lethal disorders， stressing， for<br >example， the molecular level reasons why it may be<br >possible to prevent or delay 80% of all cancers. More-<br >over this data， rather than being presented in a "dry"<br >encyclopedic form， is brought to life literally and figura-<br >tively， so that it serves as both a reference work and as<br >an educational tool. Instead of dealing solely with nutri-<br >ent supplements， the book is concerned primarily with<br >the molecular biochemical pathology that underlies the<br >major human disorders and the effects of various nutri-<br >ents upon them.<br >The second thing provided by this book， to both sectors，<br >is partly controversial and deals with what actions may<br >be taken by physicians and the general public， based on<br >the information provided.<br >have begun to understand<br >In other words， now that we<br >the origin and progression of<br >XV<br ><br >