Gene clue to post-trauma stress

2 April 2012
Last updated at 05:15












The Armenian earthquake killed at least 25,000 people


Susceptibility to post-traumatic stress disorder could be partially determined by gene variants, says a study.
A US team looked at the DNA from 200 members of 12 families who survived the 1988 Armenian earthquake.
It found those who carried two gene variants which affect the

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