This is an updated, expanded new edition of Dr. Ruth Levine's renowned Pharmacology: Drug Actions and Reactions. It covers basic pharmacological principles and the general concepts of chemical-biological interactions and now includes important new material on molecular biology, updated clinical information, and added coverage of the newer drugs. For the sixth edition of this landmark book Dr. Levine is joined by co-authors Dr. Carol T. Walsh and Dr. Rochelle D. Schwartz-Bloom. Acclaimed for its exceptionally thorough coverage, superb presentation, and intelligent organization, the book guides you through the most elementary aspects of pharmacology to a sophisticated understanding of drug mechanisms. Each chapter contains a series of thought-provoking essay-type questions designed to test comprehension of the material in the chapter. In addition, a sufficient number of important, specific examples are included to illustrate the application of the principles. With the backgrou nd provided by Pharmacology: Drug Actions and Reactions, Sixth Edition, you will be prepared to understand the actions of most individual drugs.Pharmacology: Drug Actions and Reactions, Sixth Edition, 6 was published 2000 under ISBN 9781850704973 and ISBN 185070497X.