The National Center for Complementary and Alternative Medicine (NCCAM) presents the Integrative Medicine Research Lecture series. The series provides overviews of the current state of research and practice involving complementary health therapies, and explores perspectives on the emerging discipline of integrative medicine. More information on the lecture series, as well as links to the past lectures can be found at http://nccam.nih.gov/news/events/IMlectures. Barbara Fredrickson, Ph.D. is the Kenan Distinguished Professor of Psychology and Director of the Positive Emotions and Psychophysiology Lab (PEP Lab) at the University of North Carolina. She is a leading scholar studying positive emotions and human flourishing, and her research on positive emotions and lifestyle change is funded b...