This clear and readable text will guide you through how drugs act within the body coupled with their clinical application.  New! Chapters covering Drug Abuse in Sport, Obesity, Gene Therapies New! Increased coverage of herbal medicine Packed with illustrations, flow charts and diagrams to help you remember complex material. Drug summary tables, a glossary of terms and appendices of useful drug data can be used for quick reference and revision.  A variety of examples and settings reflects the diversity of clinical situations and the multidisciplinary health care team.