The USPHS collaborated with local physicians to restrict surviving patients from treatment, as it would contaminate the study data. National Archives Research subjects in the Tuskegee syphilis study. National Archives The Tuskeegee Syphilis study lasted from 1932-1972. peru To maintain [the subjects’] interest … free medicines, burial assistance or insurance, free hot meals on the days of examination, transportation to and from the hospital, and an opportunity to stop in town on the return trip. National Archives To maintain patient cooperation, the USPHS gave participants supplies of ineffective medicines, such as aspirin and vitamins. Tuskegee University Archives left: unidentified subjects, nurse Eunice Rivers, Dr. David Albritton, and Dr. Walter Edmondson. National Archives A Tuskegee Syphilis Experiment Subject being tested. Newsweek African and American Men Receiving “Special Free Treatment” from Physicians and Nurses. naturalhomeschooling Nurse Eunice Rivers and unidentified subject in cotton field. health-equity.lib.umd.edu