New Weight-Loss Study: High Carb Diet Beats High Fat

Unlike observational studies that can’t strictly control the behavior of subjects, the new experiment was carried out in a metabolic ward. In other words, researchers could measure every calorie consumed and burned by subjects. The research followed 19 obese adults on either a high-carb/low-fat or a low-carb/high-fat diet during six days of living in the ward. After a “wash-out” period, the subjects followed the same procedure with the opposite diet for an additional six days. Both diets reduced daily calorie intake by about 800 calories/day per subject, and both provided subjects with the same number of calories/day (1,918). Protein contributed the same amount, roughly 21 percent of total calories, to both diets.

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