God is great--for your mental, physical, and spiritual health. Based on new evidence culled from brain-scan studies, a wide-reaching survey of people's religious and spiritual experiences, and the authors' analyses of adult drawings of God, neuroscientist Andrew Newberg and therapist Mark Robert Waldman offer the following breakthrough discoveries:

- Not only do prayer and spiritual practice reduce stress, but just twelve minutes of meditation per day may slow down the aging process.
- Contemplating a loving God rather than a punitive God reduces anxiety and depression and increases...