Studies have been conducted where volunteers were given a low energy dense diet but were given the freedom to snack as they chose. It was discovered that when given lower energy dense foods rather than lower fat foods, the subjects reduced their total energy intake even though they had quite a bit of leeway in regards to snacks. The study concluded that reducing the energy density of the diet may contribute to a significant reduction in energy intake, thus facilitating weight loss. Rolls, B.L., et al. Jequier, E. Response to and range of acceptable fat intake in adults .
Calorie density count more than fat.
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