This book provides a timely examination of the relationship between religion and mental health in Ireland. It reviews previous work in this area, explains the similarities and differences between religion and spirituality, investigates the prevalence of religious practice in Ireland today, explores how religion might impact mental health, examines some key mental health concepts, and reports and discusses the controversial results from the survey conducted especially for the book. The book is written in a clear and accessible manner with all the key concepts explained and will be of interest to the general reader. In addition, the book will be highly relevant to anyone interested in psychology, sociology, religion, spirituality and theology. The book goes some way to illuminating the relationship between the two controversial and fascinating subjects of religion and mental health.