Hebrew University of Jerusalem Sep 17 2025 When survivors of the October 7th attacks returned to what was left of their homes, many carried with them more than grief or post-traumatic stress. A new study shows that the trauma also fueled an unexpected surge in obsessive-compulsive disorder, offering the first direct evidence that acute trauma can trigger the disorder's onset. In the aftermath of the October 7th attacks in Israel, a team of psychologists and psychiatrists noticed an unsettling