However, Solomon expressed some concern that eating more protein is not necessarily a good thing. The availability of protein bars, soy snacks and Greek yogurt, which has nearly twice the protein, ounce for ounce, as typical yogurt, has likely increased protein intake, she said.
"We know that protein is essential for growth, but more is not necessarily better, as long as baseline protein needs are met," she added. However, "all food has calories, and it is possible to go too far and gain weight with an excess of any macronutrient -- protein, fat and carb alike."
The U.S. National Library of Medicine has more about childhood obesity.
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