daily calories, and similar amounts of total sugar, fat, carbs and fiber.
Yet, during their two weeks on mostly processed foods, study volunteers chose to eat more — an extra 500 calories per day, on average. They also gained about 2 pounds, whereas they lost that much during their two weeks on the minimally processed diet.
“I was very surprised,” said lead researcher Kevin Hall, of the U.S. National Institute of Diabetes and Digestive and Kidney Diseases.
“I’d thought we wouldn’t see much of an effect of the processed foods, per se, because we’d matched the diets for calories and other components,” Hall explained.
So what explains the extra calorie munching? Hall said
