War zone blasts may alter brain permanently: study

US soldiers and Afghan security forces stand next a military vehicle as they arrive at the site of a suicide car bomb attack that targeted a compound for foreign contractors near the international airport in Kabul, on January 4, 2016US military members who are exposed to repeated blasts in a war zone may suffer permanent damage in parts of the brain that lend emotional stability, said a study Wednesday. Researchers have described mild traumatic brain injury (mTBI) — more commonly called “concussion” — as the “signature injury of the wars in Iraq and Afghanistan,” said the report in the US journal Science Translational Medicine. More than 250,000 US service members have been diagnosed with mTBI around the world, and post traumatic stress is a common accompaniment.

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