As with the previous editions, Introduction to Toxicology, Fourth Edition, continues to chart the evolution of the field of toxicology, from the use of natural toxins by ancient tribes through the developments established by Paracelsus, and progresses through to the current topics in the public interest. For centuries, the study of toxicology has fascinated students. The book begins with basic toxicological principles, including an historical summary, dose-response relationships (NEW chapter), exposure-response relationships (NEW chapter), disposition, and metabolism of xenobiotic toxic substances. Other important new chapters include target organ toxicity, toxicity of carcinogenic agents and new and updated concepts in toxicity testing, and antidotes and treatment of poisonings. In all, nine new or expanded chapters from the third edition are advanced.Current concerns about the effects of therapeutic drugs, carcinogens, industrial toxins, pesticides, and herbicides on human health, animal welfare, and the stability and maintenance of the ecosystem continue to highlight toxicology as an important and growing scientific discipline.Key features:Comprehensive coverage of the field of toxicology which illustrates its importance to and impact on societyUses pertinent examples, tables, and diagrams to aid understanding with learning objectives, summaries, questions, and answers for each chapterClearly and concisely written and presented concepts for easy comprehension by toxicology, biomedical, and health science studentsExamines the complex interactions associated with toxicological eventsCovers the effect of toxins on biological and physiological systemsThis book successfully condenses the diffuse literature in the field into an accessible and readable text, made easier with the insertion of many tables and figures. It introduces fundamental concepts and builds upon th

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