The Tuskegee Syphilis Study: 40 Years of Medical Abuse

The U.S. government spent 40 years deliberately withholding a known cure from 399 Black men with syphilis. Between 1932 and 1972, the U.S. Public Health Service conducted a study in Macon County, Alabama, in which these men — told they were being treated for “bad blood” — were observed but never treated. They were not told they had syphilis. They were not told the study was observational only. They received placebos and vitamin supplements. When penicillin became the standard cure for syphilis in 1947, they were actively prevented from accessing it. By the time a whistleblower ended the study in 1972, 28 men had died of syphilis, 100 had died of related complications, 40 wives had been infected, and 19 children had been born with congenital syphilis.^1^

Why the Study Was Designed to Deceive From the Start

The study began during the Great Depression, when treatment for syphilis involved mercury and arsenic compounds that were themselves toxic and had significant side effects. Researchers at the Public Health Service were interested in understanding the natural progression of untreated syphilis in Black men — partly because an earlier Scandinavian study (the Oslo Study, published in 1929) had documented the progression in untreated white patients, and some researchers believed the disease might manifest differently in Black patients.^1^

The Tuskegee Institute, a historically Black college in Macon County, lent institutional credibility to the recruitment effort. Nurse Eunice Rivers, a Black woman employed by the Public Health Service, served as the primary liaison between the researchers and the subjects for four decades.

Macon County was among the poorest counties in Alabama. The 399 men enrolled — all of them sharecroppers or farm laborers, most of them illiterate — were offered free medical exams, free meals on examination days, transportation, and burial insurance in exchange for their participation. They were told they were in a treatment program. The burial insurance was offered because the researchers needed to conduct autopsies.

Penicillin Existed, and They Were Blocked From Getting It

The ethical framework of the study was corrupted from the start, but it became dramatically worse after 1947, when penicillin was identified as a simple and effective cure for syphilis. At that point, the study’s original rationale — understanding untreated syphilis in the absence of effective treatment — became untenable. The subjects could be cured with a single course of antibiotics. They were not offered it.

More than that: when the United States entered World War II, many of the study’s subjects were called up for military service and were being screened for syphilis through Selective Service — which would have resulted in their receiving treatment. Public Health Service officials intervened with local draft boards to have the Tuskegee subjects exempted from treatment and returned to the study.^2^

The study continued through the postwar period, through the 1950s and 1960s, renewed annually by the PHS and reviewed — without serious ethical challenge — by the Centers for Disease Control. In 1966, a PHS social worker named Peter Buxtun began raising ethical objections within the agency. He was told the study would be completed. In 1972, after Buxtun had left the PHS and given documents to journalist Jean Heller, the Associated Press broke the story. The study ended on July 25, 1972.

What Belmont Actually Came From

In 1973, Senate hearings chaired by Senator Edward Kennedy established a bipartisan consensus that the Tuskegee study had violated fundamental principles of research ethics. The surviving subjects and families of deceased subjects filed suit. In 1974, the federal government settled for $10 million — approximately $25,000 per survivor and $5,000 per heir of the deceased.^3^

The political response included the National Research Act of 1974, which established the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research. The commission’s work produced the Belmont Report in 1979, which articulated the principles of respect for persons, beneficence, and justice that now govern research ethics in the United States. Tuskegee is the explicit reference point from which modern informed consent requirements derive.

President Bill Clinton offered a formal presidential apology to the eight surviving subjects on May 16, 1997. “What was done cannot be undone,” Clinton said. “But we can end the silence.”^4^

The apology came 25 years after the study ended and 40 years after penicillin could have cured the men being deliberately kept sick. Fred Simmons, one of the eight survivors present at the White House ceremony, was 110 years old.

A Legacy Measured in Deaths That Keep Happening

The Tuskegee study’s most durable consequence may be the most difficult to measure: a generalized mistrust of medical institutions among Black Americans that has persisted for half a century and influences health-seeking behavior, vaccine uptake, and participation in medical research to this day.^5^

A 1992 study by researchers at the University of Alabama found that Black men in the study area had lower rates of medical care utilization and higher rates of avoidable hospitalizations than comparable populations, even decades after Tuskegee ended. Research published during the COVID-19 pandemic found that vaccine hesitancy among Black Americans was associated, in part, with knowledge of the Tuskegee study. The study killed the men enrolled in it and, through the erosion of medical trust, has shaped the health outcomes of communities far beyond Macon County for decades afterward.

The men in Macon County were poor, Black, and rural. They were told they were being cared for. The government that made that promise spent 40 years breaking it. The structure of that betrayal — institutional knowledge maintained while subjects were deceived — also defines the Cold War radiation experiments conducted by the same era’s federal agencies, and the MKULTRA program that ran simultaneously through the CIA.

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Sources:

1. Jones, James H. Bad Blood: The Tuskegee Syphilis Experiment. Free Press, 1981.
2. Reverby, Susan M. Examining Tuskegee: The Infamous Syphilis Study and Its Legacy. University of North Carolina Press, 2009.
3. Brandt, Allan M. “Racism and Research: The Case of the Tuskegee Syphilis Study.” Hastings Center Report 8, no. 6 (1978).
4. Clinton, William J. Remarks in Apology for Study Done in Tuskegee. White House Press Release, May 16, 1997.
5. Alsan, Marcella, and Marianne Wanamaker. “Tuskegee and the Health of Black Men.” Quarterly Journal of Economics 133, no. 1 (2018).