Stress could cause part of brain to shrink

Emotional stress caused by last year’s tsunami caused a part of some survivors’ brains to shrink, according to scientists in Japan who grasped a unique chance to study the neurological effects of trauma.

On a quest to better understand post-traumatic stress disorder (PTSD), the researchers compared brain scans they had taken of 42 healthy adolescents . . . → Read More: Stress could cause part of brain to shrink