During the low-carb diet craze, protein had a heart-healthy rep because those diets didn't appear to raise cholesterol.
But new evidence shows that a low-carb, high-protein diet may hurt your heart in other ways.
In a study published in Proceedings of the National Academy of Sciences, mice that were fed lots of protein and fewer carbs had plaque buildup in their heart arteries.
Eating this combo may affect the cells that keep arteries healthy.
The right amount of protein: about 5.5 ounces of meat (or beans) and three cups of dairy a day.
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