Why have we humans always longed to connect with something larger than ourselves? Even today in our technologically advanced age, more than seventy percent of Americans claim to believe in God. Why, in short, won't God go away? In this groundbreaking new book, researchers Andrew Newberg and Eugene d'Aquili offer an explanation that is at once profoundly simple and scientifically precise: The religious impulse is rooted in the biology of the brain.

In Why God Won't Go Away, Newberg and d'Aquili document their pioneering explorations in the field of neurotheology, an emerging...