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USA Today (July 13, 2009): Veterans with Post-Traumatic Stress are at High Risk of Dementia
Veterans diagnosed with post-traumatic stress disorder (PTSD) have a significantly higher risk of developing dementia comparing with veterans who don't have the disorder, a study reports today.
Using data from the Department of Veterans Affairs National Patient Care Database, scientists from the University of California-San Francisco analyzed files of 181,093 veterans ages 55 and older without dementia from 1997 to 2000. The mean age at the start of the study was 68, and 97% were male.
During the follow-up period from 2001 to 2007, the researchers learned that 53,155 veterans were diagnosed with dementia or cognitive impairment. Veterans who had post-traumatic stress developed dementia at a rate of 10.6% over seven years, while those who didn't have the disorder had a rate of 6.6%, the researchers reported.