Make Your Plate Colorful

“Make your plate colorful,” she had advised, and the late-summer bounty makes that easy: into the cart go red tomatoes (full of beneficial carotenoids), orange yams (rich in vitamin A), and green spinach (lots of calcium and iron). Eating a variety of fruits and vegetables of different colors, Michels had explained, ensures that you’re getting a full complement of micronutrients. Now I add a couple of avocados, full of B vitamins, plus potassium; a few bunches of broccoli, rich in ribof...