Genetic Predisposition to PTSD

Vulnerability to post-traumatic stress disorder runs in families, study shows 12/21/08. The researchers used statistical methods to assess heritabilities. One method was used to determine the genetic component of a disorder such as PTSD. Then, a separate analysis was used to see if different phenotypes shared genes. The results showed that a significant amount of genes are shared between PTSD and depression, PTSD and anxiety, and finally depression and anxiety. University of California - Los Angeles via Eurekalert!