San Francisco has filed a groundbreaking lawsuit against major food manufacturers, alleging that they have knowingly created ultra-processed foods that harm public health while raking in huge profits. The lawsuit targets 10 corporations behind popular brands such as Oreos, Doritos, Cheerios, and Sour Patch Kids, claiming that these products were designed to be addictive and encourage overconsumption. San Francisco seeks to stop deceptive marketing practices, require consumer education about health risks, and obtain restitution and civil penalties to offset healthcare costs associated with chronic diseases linked to these foods.

The city's case is strengthened by a comprehensive review published in The Lancet, which shows that ultra-processed foods are contributing to higher risks of chronic diseases worldwide. The lawsuit also highlights racial disparities in both marketing and health outcomes, with communities of color bearing a disproportionate burden of the health consequences. The food industry has pushed back, arguing that there is no agreed-upon scientific definition of ultra-processed foods and that attempts to classify them as unhealthy are misleading. However, if successful, this lawsuit could reshape how food companies manufacture, market, and label products across the country, as scrutiny of ultra-processed foods intensifies.