Data on 22 lean participants revealed that those who followed a diet with only 10% protein content consumed more fats and carbohydrates, mostly in the form of snacks, compared with those whose diet had a 15% protein content. The researchers found no difference in overall energy intake between a 15% diet and a 25% protein diet. The findings suggest that diets low in protein may play a role in obesity, the researchers reported in PLoS One.

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