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Whole-wheat bread

Carbohydrates are a breakfast mainstay, but the type of carbs you choose can make a big difference in the overall health of your meal. The simple rule to remember is that whole wheat and other whole grains—whether they're found in bread, toast, or English muffins—contain more fiber and nutrients than their white, refined counterparts.

What you put on it matters, as well. "Slathering your toast with butter or jelly just adds empty fat and calories," says Giovinazzo. "Instead, get some protein by adding an egg or some almond butter."