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What Is Ultra-Processed Food — And Why Experts Say It’s Bad for Us

Doctors and scientists are warning people about a type of food called ultra-processed food, or UPF.
Dr. Chris van Tulleken, a scientist and doctor, says UPF is food made in factories with many chemicals, additives, and ingredients that most people don’t have at home. These foods often contain a lot of salt, sugar, and fat, which can be bad for ou...