National Institutes of Health’s Metabolic Clinical Research Unit

  • Rainbow Diet

    Processed food increases weight and obesity

    People eating whole foods eat less calories and lose weight, while people who eat processed food pack on the calories and weight, according to major research in Cell Metabolism (1). In the first controlled, randomized study to directly compare the differences in people’s calorie consumption and weight gain on an unprocessed food diet versus one that is ultra-processed, the results…

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