. >> but newberg has made another discovery, a controversial one, that our belief system, how we view god can make a difference in how it affts our well-being. ive we believe in a loving god, it can have a calming affect on our life. but belief in an angry god is create hatred and fear. >> whether it's people who believe in abortion versus those who doesn't, whether it's one religion versus another, when you hear rhetoric that's hateful, filled with anger, that turns on the different parts of the brainhat are involved in our stress response and our anr response >> reporter: george is a chaplain with the health care chaplainship of new york city. a person's belief that faith in god can be un -- >> they're saying that that there's one word of god and god commands us to follow that word. and if we want to save people from god's anger and condemnation, we're obliged to get other people to believe as we do. >> i'm not arguing that people need to change our beliefs per se, if they feel that their perspective on god is right, i mean, then that's terrific. but i think that -- i think that wha