Senate debate reveals deep divide on ultraprocessed foods and health risks

On a Tuesday afternoon in late May, Brazil's Senate convened to confront a question that cuts across class, age, and geography: what are we feeding ourselves, and at what cost? The numbers on the table were stark. Ultra-processed foods—soft drinks, packaged cookies, snack chips—now account for more than a quarter of the calories consumed by Brazilian adolescents. The figure drops to 19.5 percent for adults and 15.1 percent for the elderly, according to the 2020 Family Budget Survey conducted by the Brazilian Institute of Geography and Statistics. These were not abstract percentages. They represented the daily reality of millions of Brazilians, and they prompted the Senate's Social Affairs Committee to gather researchers, government officials, industry representatives, and public health advocates to debate what should be done.

The health case against ultra-processed foods has hardened into something close to consensus among medical researchers. These products—industrial goods engineered for shelf stability and palatability, loaded with chemical additives, stripped of nutritional substance—carry documented risks. A nutritionist from the Pan-American Health Organization presented evidence linking their consumption to the rise of chronic diseases: diabetes, hypertension, heart disease. But the harms extended beyond the physical. A researcher from ACT Health Promotion noted that excessive consumption correlated not only with obesity but with depression, eating disorders, bullying, and declining academic performance. The financial toll was equally concrete: treatment of obesity in Brazilian children and adolescents had cost the health system 1.6 billion reais over the past decade. Schools, several speakers emphasized, were crucial battlegrounds. Local initiatives restricting ultra-processed foods in school cafeterias had demonstrably reduced consumption and lowered obesity rates among teenagers.

But the problem was not merely one of individual choice or education. A representative from the Ministry of Social Development presented data on what researchers call food deserts and food swamps—neighborhoods where healthy food is scarce and ultra-processed products dominate. Approximately 25 million Brazilians live in these food deserts; another 15 million inhabit areas saturated with cheap, processed alternatives. The pattern was not random. Young people in urban peripheries, particularly Black and low-income families, bore the heaviest burden. One official noted that this was not simply a health question but a question of racial inequality, economic inequality, employment, and access. Brazil produces more food than almost any nation on earth, yet millions of its citizens could not reliably obtain a healthy meal.

The environmental dimension added another layer of consequence. The world's six largest plastic polluters, one expert noted, are manufacturers of ultra-processed foods. The packaging alone—boxes lined with toxic metals, plastic wrapping destined for landfills and oceans—represented a cascading environmental cost. Plastic production is projected to triple by 2060. The expert advocated for regulatory intervention: mandatory labeling, restrictions on advertising, taxation, and rules governing what could be sold in schools.

The industry representatives offered a different framing. They argued that food processing itself was not the enemy—it ensured safety, extended shelf life, and made nutrition accessible to populations that might otherwise go hungry. They pointed to voluntary agreements with the Health Ministry that had reduced trans fats, sodium, and added sugars in industrial products. They disputed the very category of "ultra-processed," arguing it lacked scientific rigor and that the real culprits behind obesity and chronic disease were multiple: sedentary lifestyles, poverty, poor working conditions. One industry voice acknowledged growing consumer demand for healthier, more natural products and noted that manufacturers were investing in new technologies—precision fermentation, cellular cultivation—that might reshape food production. Another emphasized that ingredients undergo rigorous safety evaluation by regulatory agencies.

But the deepest disagreement centered on language itself. A food engineer from a São Paulo research institute argued that "ultra-processed" had no consolidated scientific basis and should not guide public policy. Since the publication of Brazil's dietary guidelines in 2014, his institute had questioned the term. From a technical standpoint, he contended, there is no such category—only industrialized foods subjected to processes designed for safety and preservation. A nutritionist from the Brazilian Society of Nutrition and Food echoed this call for conceptual clarity, citing a case of botulism from poorly pasteurized organic food to argue that safety, not the origin or processing method of food, should be the priority. Problems of health, she insisted, cannot be attributed to a single food type; they involve multiple behavioral and lifestyle factors.

What emerged from the hearing was not consensus but a fundamental divide over how to name the problem and who bears responsibility for solving it. One side saw a clear public health crisis requiring regulatory action to protect vulnerable populations from products engineered to be irresistible and nutritionally hollow. The other saw a rush to judgment based on imprecise categories, an oversimplification of complex health problems, and a threat to an industry that feeds millions. The Senate, having heard both, would now have to decide what comes next.