Book excerpt: The bestselling and revolutionary book that serves as a “landmark in our understanding of the mind-body connection” (Deepak Chopra, MD). Why do we feel the way we feel? How do our thoughts and emotions affect our health? In her groundbreaking book Molecules of Emotion, Candace Pert—an extraordinary neuroscientist who played a pivotal role in the discovery of the opiate receptor—provides startling and decisive answers to these and other challenging questions that scientists and philosophers have pondered for centuries. Pert’s pioneering research on how the chemicals inside our bodies form a dynamic information network, linking mind and body, is not only provocative, it is revolutionary. By establishing the biomolecular basis for our emotions and explaining these scientific developments in a clear and accessible way, Pert empowers us to understand ourselves, our feelings, and the connection between our minds and our bodies—or bodyminds—in ways we could never possibly have imagined before. From explaining the scientific basis of popular wisdom about phenomena such as "gut feelings" to making comprehensible recent breakthroughs in cancer and AIDS research, Pert provides us with an intellectual adventure of the highest order. Molecules of Emotion is a landmark work, full of insight and wisdom and possessing that rare power to change the way we see the world and ourselves.