After each thirty minute session on the computer, the soldiers have an hour of talking therapy with a psychologist.

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But research shows that a holistic approach that treats both body and mind through a combination of medication and talking therapy offers the greatest long-term benefits.

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There might just be too much talking (as in talk therapy) and not enough action (as in real medical treatment), according to McLellan and others.

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"At school, if a kid is a little clumsy or not talking like the others, all of a sudden they are referred to speech therapy or early intervention, " says Michel Cohen, a pediatrician who runs Tribeca Pediatrics in New York.

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