Psychoactive Sacramentals- Essays on entheogens and religion What place might Psychoactive Sacramentals - entheogens - have in contemporary religions and religions of the future? Can the careful use of entheogens aid in spiritual development? How might entheogens enhance spiritual practices? What cautions ought to be considered? The chicago Theological seminary and the council on spiritual practices invited several dozens leaders in religion, mental health, and allied fields to consider these and other questions at a 1995 conference-retreat. The conference participants contributed these essays.