Speaker: David Winston. The Cherokee concept of Duyukta (Harmony and Balance) can teach us a great deal about mental health and our ability to remake ourselves. Plants can also aid in treating emotional and spiritual disease, specifically depression, anxiety and hysteria. The varied materia medica used includes Avena, cola nut, ginkgo, Peganum, Actea alba, bacopa, California poppy, motherwort, tiger lily bulb and herb, Asafoetida and many more