Do private health organizations do a better job of treating and increasing awareness for mental health patients rather than the U.S. government?    Dr. Pies' Answer

I am a graduate student researching the history of Impulse Disorders, specifically Intermittent Explosive Disorder. I need to find out when Intermittent Explosive Disorder became a diagnosable illness. Was it in the DSM-III? When did it first appear as a bonafide mental illness?    Dr. Pies' Answer