FKBP5 and post-traumatic stress disorder: Additionally, Genomic Wide Association Studies (GWAS) have revealed a correlation between certain allelic variants of FKBP5 and various mental health conditions, including but not limited to aggression (29), bipolar disorders (30), suicide (31–34), post-traumatic stress disorder (PTSD) (35), negative personality traits (36), and peritraumatic dissociation (37).