People diagnosed with post-traumatic stress disorder (PTSD) have been found to have genetic changes in their DNA, making them different from healthy people, (see online May 3 in the Proceedings of the National Academy of Sciences). The researchers found that there were dramatic differences between the immune system genes and brain cell growth genes of people with PTSD and people who do not have PTSD.

These differences are reported to likely cause significant pathophysiologic and psychopathological problems in PTSD patients, specifically causing subsequent:

• immune system dysfunction,
• emotional changes,
• hyperarousal, and
• exaggerated startle responses to sound*    . . .  (cont)

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Genetic Changes In People with PTSD
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