What lessons can the study of fundamentalism and the psychology of religion teach the newer field of Radicalization and Involvement in Violent Extremism (RIVE). Four lessons and an intervention are offered in this article: (1) Religion is a robust human experience and cultural product that adopts a defensive shape when its worldview is threatened. (2) This does not mean that all "fund... https://parisnaturalfoodes.shop/product-category/pgx-daily-ultra-matrix/