I'm not sure if you're only referring to WikiLeaks, but as for torture:
The CIA's waterboarding regimen was so excruciating, the memos show, that agency officials found themselves grappling with an unexpected development: detainees simply gave up and tried to let themselves drown.
http://www.salon.com/news/feature/2010/03/09/waterboarding_f...
"Finally, to keep detainees alive even if they inhaled their own vomit during a session – a not-uncommon side effect of waterboarding – the prisoners were kept on a liquid diet. The agency recommended Ensure Plus."