Mounting evidence from many sources, including Pentagon documents, indicates that military interrogators at Guantanamo Bay have used aggressive counter-resistance measures in systematic fashion to pressure detainees to cooperate. These measures have reportedly included sleep deprivation, prolonged isolation, painful body positions, feigned suffocation, and beatings. Other stress-inducing tactics have allegedly included sexual provocation and displays of contempt for Islamic symbols.1 The International Committee of the Red Cross (ICRC) and others charge that such tactics constitute cruel and inhuman treatment, even torture. To what extent did interrogators draw on detainees' health information in designing and pursuing such approaches? The Pentagon has persistently...