Cross-posted at The Sociological Cinema.

Back in 2007, Dr. Oz stood on the set of The Oprah Winfrey Show and infamously promoted to an audience of 8 million viewers the idea that African Americans experience higher rates of hypertension because of the harsh conditions their ancestors endured on slave ships crossing the Atlantic. This so-called “slave hypothesis” has been roundly criticized for good reason, but I was struck that it was being promoted by such a highly educated medical professional.

The episode got me thinking about the sociologists Omi and Winant’s notion of a racial formation as resulting from historically situated racial projects wherein “racial categories are created, inhabited, transformed, and destroyed” (p. 55-56). These projects take multiple forms but in at least one version, there is an attempt to collapse race—a socially constructed concept—into biology. Such projects are similar insofar as they suggest that the socially constructed distinctiveness between people of different racial categories roughly approximates a meaningful biological distinctiveness. Scientists have been centrally involved in this effort to establish a biological basis for race. In the middle of the 19th century Dr. Samuel Morton attempted to show that average cranial capacities of people from different racial groups were significantly different. Today, many people scoff at the misguided racism of the past, but I think Dr. Oz’s promotion of the slave hypothesis demonstrates that the search for a biological, and therefore “natural,” basis for race continues.

So how do proponents of the slave hypothesis explain hypertension? In 1988 Dr. Clarence Grim first proposed the theory, which is the idea that the enslaved people who survived the Middle Passage were more likely to be carriers of a gene that allowed them to retain salt. Grim argued that this ability to retain salt, while necessary for a person to survive the harsh conditions of a slave ship, would ultimately lead to hypertension as the person aged. Thus Grim proposed that African Americans living in the United States today are the descendants of people who have this selected feature. As I mentioned above, this theory has been soundly refuted but reportedly still remains in many hypertension textbooks. Looking at the clip above, which is from January of this year, it seems that medical professionals like Dr. Oz may be still promoting it.

I think it is important to recognize that this particular racial project persists in many forms, and one final example is from 2005, when the FDA approved BiDil as a customized treatment of heart failure for African Americans. The approval was based on highly criticized research, but the approval also implicitly makes the case that a racial group might be so biologically distinct from others as to warrant its own customized medication. Much like the search for different cranial capacities, the propagation of the slave hypothesis, and the marketing of drugs designed for different racial groups, BiDil’s emergence can be seen as an attempt to deploy racial categories as if they were immutable in nature (see Troy Duster’s article in Science).

Criticizing this racial project is more than an academic exercise. As a social construct, race is already a central principal of social organization, which benefits whites at the expense of other racial groups. It is already a powerful basis upon which privileges are meted out and denied. In my view, the effort to loosen race from its moorings as a social construct and anchor it again as a biological fact of nature is an attempt to fundamentally alter the discussion on racial inequality. If this project prevails and race comes again to reflect a biological truth, then fewer people will acknowledge racial inequality as the result of a human-made history. It will instead be seen as the result of humans being made differently.


Lester Andrist is a Ph.D. candidate at the University of Maryland, College Park, specializing in the role of social capital and personal networks in finding jobs in India and Taiwan and cultural representations of groups in indefinite detention. He is a co-editor of the website The Sociological Cinema.

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