Can you tell me if post traumatic stress disorder is real?

PTSD or: Post traumatic stress disorder is a very real psychiatric condition. I have treated many wounded warriors who have returned from combat with severe ptsd. Ptsd most often develops in the context of having life threateing or horrific experience(s). There are sxs of avoidance (avoiding triggers – as well as thoughts or memories or feelings associated w the trauma), reliving (nightmares, flashbacks, .