Lactose intolerance is actually the human norm – but racism, the US government and business interests have made it into a condition
The framing of lactose intolerance as a medical condition rather than a biological norm reflects a deeper history of nutritional imperialism, where Western dietary standards were imposed globally as universal ideals. This narrative not only pathologizes the majority of the world’s population but also reinforces racial hierarchies by casting nonwhite bodies as inherently deficient. The stakes are high: how science, policy, and commerce have colluded to turn a natural variation into a stigmatized difference reveals the enduring power of racist ideologies in shaping public health and identity.
How did lactose intolerance come to be defined as a medical condition in the 1960s?
The concept of lactose intolerance as a defect was invented in the 1960s when American dairy producers, facing a postwar milk surplus, lobbied the U.S. government to offload excess dairy through school lunches and aid programs. When populations unaccustomed to dairy—including Black Americans and people in Japan and Taiwan—experienced digestive distress, scientists initially misinterpreted these reactions as genetic defects rather than natural biological variation.
What role did racial bias play in the early research on lactose digestion?
Early studies, such as a 1966 Baltimore experiment comparing Black and white incarcerated individuals, assumed lactose tolerance was the human norm and framed lower lactase levels in Black participants as an inborn error of metabolism. This bias persisted even after later research confirmed that lactose intolerance is the dominant physiological state worldwide, with only certain ethnic groups retaining lactase persistence.
How has nutritional imperialism shaped global dietary policies?
Nutritional imperialism treats white, dairy-rich diets as the standard and pathologizes alternatives, as seen in the Chinese Nutrition Society’s 2022 Food Guide Plate, which prominently features milk despite lactose intolerance affecting the majority of Han Chinese. This bias extends to other dietary norms, such as favoring wheat over rice or meat-heavy diets, and has historically justified interventions like U.S. dairy aid during the Cold War.
In what ways has the pathologization of lactose intolerance fueled racism?
The framing of lactose intolerance as a deficiency has been co-opted by white supremacists to reinforce racial hierarchies, with maps of lactose tolerance distribution circulated in racist forums like 4chan. Even neo-Nazi groups have weaponized lactose consumption as a performative act of white identity, demonstrating how pseudoscientific narratives can be repurposed to justify exclusionary ideologies.
Ce que ça pourrait changer
This historical and scientific reckoning challenges the legitimacy of global dietary guidelines that prioritize Western norms, urging a shift toward recognizing biological diversity as a strength rather than a deviation. It also calls for vigilance against the misuse of scientific findings in reinforcing racist narratives, particularly as dietary trends and health policies continue to be shaped by commercial and political interests.
