This comprehensive volume provides valuable information on the nature of a wide variety of prescription drugs for lay readers. It describes the treatment of common illnesses, and how the drugs used to remedy these illnesses act, as well as their side effects. Emphasis is placed on the testing of pharmaceuticals and the role of the drug industry. An informative listing of almost 5000 prescription and over-the-counter medications is included, with categorization by generic and trade name. Brief commentary is provided to steer the reader to the appropriate chapter for further information.