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Soldiers' brains bear scars of emotional wounds
Eighteen months after they have returned from a war zone, soldiers bear an unmistakable sign of emotional trauma deep inside their brains. But in most, a key node of the brain's fear circuitry returns to normal, perhaps keeping mental illness such as post-traumatic stress disorder (PTSD) from developing, says a new study published Tuesday in the journal Molecular Psychiatry.
By Melissa Healy, Los Angeles Times/For the Booster Shots Blog
August 30, 2011