Gavin Newsom that would put into law a first-in-the nation legal definition of ultraprocessed foods, followed by a public school ban on those deemed most concerning. Data from the Centers for Disease Control and Prevention indicates that more than half of Americans’ calories come from ultraprocessed foods. Scientific studies have tied ultraprocessed foods to poor health, including increased risk for heart attack, obesity, Type 2 diabetes, and mental health problems. “People view ultraprocessed foods as automatically bad,” said Dennis Albiani, a lobbyist for several of the industry groups. Not all ultraprocessed foods that meet the definition would be banned.