Especially valuable within traditional medical settings, this unique resource lays the groundwork for a solid understanding of complementary and integrative therapy. It provides insight into the historical context of alternative healing systems, as well as the most up-to-date scientific research and clinical applications. Focusing on therapies best supported by clinical trials and evidence, it describes key concepts of the most prevalent complementary and alternative therapies in use today. This edition features many new chapters and a new appendix, with thorough updates and references throughout.