Water, fruit, tuna, snacks, nuts for mid-afternoon, my egg -- I just packed that in a minute. This is all the food that will keep us alert. Yes, a good source of protein, fiber, carbohydrates -- all the nutrients brain needs to get through the afternoon.

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Pre-packaged lunchmeat, some vegetables, a salad -- with the new dietary guidelines, we need 2 and a half cups of greens a day.

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