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Dementia Risk Higher in Veterans with PTSD

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2010-09-02 22:04

It appears that the veterans returning from Iraq and Afghanistan who suffer with PTSD (post-traumatic stress disorder) may have another challenge to deal with: a higher risk of dementia. The increased risk of dementia was seen in veterans who served in previous wars as well, but will have serious implications for the soldiers serving in the current conflicts.

PTSD and Veterans

A recent Rand Corporation study reported that 300,000 service personnel who served in Iraq or Afghanistan had symptoms of PTSD. Symptoms of this disorder include avoiding people, things, or situations that remind an individual of the trauma he or she experienced, nightmares, mood disorders, sleep difficulties, flashbacks, difficulty maintaining close relationships, trouble with concentration, and more. People with PTSD can reach such a level of distress that they commit suicide.

The National Center for Posttraumatic Stress Disorder, which is part of the US Department of Veterans Affairs, notes that PTSD is believed to occur in about 30 percent of Vietnam veterans, up to 10 percent of Gulf War veterans, 6 to 11 percent of veterans of the Afghanistan war (Enduring Freedom), and 12 to 20 percent of veterans of the Iraq war (Iraqi Freedom).

The study involved 10,481 veterans who were at least 65 years of age who had been seen at the VA Medical Centre at least twice between 1997 and 1999. Outpatient data were collected until 2008. Subjects were classified based on whether they had been wounded during combat, with or without a PTSD diagnosis. A comparison group consisted of vets who had been seen at the Centre but who had no PTSD or combat-related injuries.

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