Food labeled and prepared for college student and research subject Sam Srisatta sits on a tray in a kitchen during a study on the health effects of ultraprocessed foods at the National Institutes of Health in Bethesda, Md., on Thursday, Oct. 31, 2024. (AP Photo/Mark Schiefelbein)

College student and research subject Sam Srisatta eats a lunch of chicken nuggets and chips in his room during a study on the health effects of ultraprocessed foods at the National Institutes of Health in Bethesda, Md., on Thursday, Oct. 31, 2024. (AP Photo/Mark Schiefelbein)