Faith will always play an essential role in human life. If we didn’t trust our beliefs, we might end up living in perpetual doubt; the amount of stress hormones our brains would secrete under such conditions could physically atrophy the brain (see Sapolsky, Robert, PhD. Why Zebras Don’t Get Ulcers). (Newberg, Andrew, MD and Mark Robert Waldman. Why We Believe What We Believe. P 38. NY:Free Press, 2006)