http://www.pbs.org/wnet/need-to-know/health/lives-on-hold/1718/ The Pentagon estimates that as many as one in five American troops are coming home from war zones with traumatic brain injuries. Maria Hinojosa (of NOW on PBS) reports for NEED TO KNOW, speaking with some of the family members who have put their own lives on hold to look after these wounded veterans. NEED TO KNOW airs Fridays at 8:30pm ET (check your local listings.)
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