Targeting ultra-processed food repeats America’s missteps on nutrition.
David S. Ludwig is a professor of pediatrics at Harvard Medical School and a professor of nutrition at the Harvard T.H. Chan School of Public Health.
About a half-century ago, the United States launched a massive public health experiment: The federal government joined nutrition experts in asserting that a low-fat diet would prevent obesity, diabetes, heart disease and some types of cancer.
What readers are saying