bumping this up for local vet to read: it was a post I made here in 2009: Posted 24 November 2009 - 10:56 AM Definition of a Stressor: "The VA defines a stressor based on the DMS –IV (Diagnostic Statistical Manual of Mental Disorders) thus: “the person experienced,witnessed,or was confronted with an event or events that involved actual or threathened death or serious injury,or a threat to the physical integrity of self or others, and the person’s response involved intense fe