Dr. Rachel Harris is the author of the new book, Listening to Ayahuasca: New Hope for Depression, Addiction, PTSD, and Anxiety. She received a National Institutes of Health New Investigator's Award, has published more than forty scientific studies in peer-reviewed journals, and has worked as a psychological consultant to Fortune 500 companies and the United Nations. Her background includes careers as a research psychologist as well as a psychotherapist.