http://www.nytimes.com/2006/08/13/us/13inmates.html?hp&ex=1155441600&en=cc3e2c1795323e27&ei=5094&partner=homepage*******
The proposed change includes provisions intended to prevent problems that plagued earlier programs.
Nevertheless, it has dredged up a painful history of medical mistreatment and incited debate among prison rights advocates and researchers about whether prisoners can truly make uncoerced decisions, given the environment they live in. Until the early 1970’s, about 90 percent of all pharmaceutical products were tested on prison inmates, federal officials say. But such research diminished sharply in 1974 after revelations of
abuse at prisons like Holmesburg here, where inmates were paid hundreds of dollars a month to test items as varied as dandruff treatments and dioxin, and where they were exposed to radioactive, hallucinogenic and carcinogenic chemicals.*******