<prompt> A reduction in the CSF 5-HIAA Hydroxyindoleacetic Acid is associated with all the following, EXCEPT:SuicideOCDDepressionViolence  <response>: The CSF levels of 5-HIAA Hydroxyindoleacetic Acid is low in patients who committed suicide, in depression and violence. It is considered to be associated with poor impulse control. It can be used to predict suicide. It is not known to be reduced in OCD. Ref: Kaplan Sadocks Synopsis of Psychiatry, By Benjamin J Sadock, M.D., Harold I. Kaplan, Virginia A Sadock, M.D, 10th Edition, Page : 265 