Vietnam Vets: The Number Suffering from Post-Traumatic Stress Disorder Was Exaggerated





Sally Satel, a psychiatrist and a scholar at the American Enterprise Institute, and co-author of the forthcoming One Nation Under Therapy, in the NYT (March 5, 2004):

... just as the press has spent a year comparing the invasion of Iraq to Vietnam, it has begun drawing parallels between today's troops and Vietnam veterans, who are believed to suffer from a high rate of war-related psychiatric disorders.

But as we try to help the soldiers of Operation Iraqi Freedom meld back into society, it would be a mistake to rely too heavily on the conventional wisdom about Vietnam. What is generally put forth as an established truth — that roughly one-third of returnees from Vietnam suffered psychological problems — is at best highly debatable.

That much-cited estimate comes from the National Vietnam Veterans Readjustment Study, released in 1990 by the Veterans Administration. It concentrated on post-traumatic stress disorder, a psychiatric condition marked by disabling painful memories, anxiety and phobias after a traumatic event like combat, rape or other extreme threat. It found that 31 percent of soldiers who went to Vietnam, or almost one million troops, succumbed to post-traumatic stress. The count climbed to fully half if one included those given the diagnosis of"partial" post-traumatic stress disorder.

On closer inspection, however, these figures are shaky. After all, only 15 percent of troops in Vietnam were assigned to combat units, so it is odd that 50 percent suffered symptoms of war trauma. True, noncombat jobs like driving trucks put men at risk for deadly ambush, but Army studies on psychiatric casualties during the war found the vast majority of cases referred to field hospitals did not have combat-related stress. Rather, most were sent for medical attention because of substance abuse and behavioral problems unrelated to battle.

Moreover, during the years of the most intense fighting in Vietnam, psychiatrists reported that psychiatric casualties numbered between 12 and 15 soldiers per thousand, or a little more than 1 percent. If the 1990 readjustment study is correct, the number afflicted with diagnosable war stress multiplied vastly in the years after the war. Again, it does not add up.

How to explain the postwar explosion in Vietnam cases? The frequently proffered answer is that the start of the disorder can be delayed for months or years. This belief, however, has no support in epidemiological studies. And consider the striking absence of delayed cases in long-range studies like that of people affected by the Oklahoma City bombing. Such studies have found that symptoms almost always develop within days of the traumatic event and, in about two-thirds of sufferers, fade within a year.

It is worth noting that the concept of delayed post-traumatic stress was introduced in the early 1970's by a group of psychiatrists led by Robert Jay Lifton, an outspoken opponent of the war. They decided that many former soldiers suffered what was called post-Vietnam syndrome — marked by"alienation, depression, an inability to concentrate, insomnia, nightmares, restlessness, uprootedness and impatience with almost any job or course of study" — and that this distinguished veterans of Vietnam from those of any other war.

While there was little data to back up the existence of this delayed syndrome, the image of the veteran as a walking time bomb was a boon to the antiwar movement, which used it as proof that military aggression destroys minds and annihilates souls. Yes, some veterans suffered the crippling anxiety of chronic post-traumatic stress disorder. But the broad-brush diagnosis of post-Vietnam syndrome also served political ends. ...


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