Adding face shields to helmets could help avoid blast-induced brain injuries

More than half of all combat-related injuries sustained by U.S. troops are the result of explosions, and many of those involve injuries to the head. According to the U.S. Department of Defense, about 130,000 U.S. service members deployed in Iraq and Afghanistan have sustained traumatic brain injuries -- ranging from concussion to long-term brain damage and death -- as a result of an explosion. A recent analysis by a team of researchers led by MIT reveals one possible way to prevent those injuries -- adding a face shield to the helmet worn by military personnel.

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