[Science] Scriptural Violence Can Foster Aggression, Especially in Believers

"Psychologists studying religion have tended, until recently, to focus on its role in psychological healing. But no longer: now they are beginning to investigate some of its less benign aspects.
A study published in this month's Psychological Science looks at the relation between aggression and recent exposure to accounts of Biblical violence.
[...]
Higher levels of aggression were measured in two groups of students: in those who were told that the passage was from the Bible and in those who had read that the violence was sanctioned by God."

Humaniststudies.org, Mar. 14, 2007