Dr. Harold Koenig, world renowned psychiatry and spirituality specialist, discusses the role of religion and spirituality on mental health. They explore the positive impact of religion and its potential harm through stigmatization. They define religion and spirituality, and discuss atheism as a religion. They explore the relationship between religion and mental health, including its cultural aspects and Freud's negative view of religion. They also discuss how religion provides purpose and peace of mind, and debate the incorporation of religion in mental health care.