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2. Eat a variety of foods

To make sure you're getting all the nutrients you need, it's important to eat balanced meals with a variety of healthy foods. For example, you'll get protein and fiber from beans; leafy greens are great sources of vitamins A, C and K. Choose produce from all colors of the rainbow to get all the benefits. Red tomatoes have heart-healthy lycopene, blueberries have brain-boosting anthocyanins and orange sweet potatoes have lots of vitamin A to help keep eyes healthy. Looking for meal ideas? Try a simple well-balanced grain bowl: top brown rice, or quinoa, with beans and a mix of sauteed or roasted veggies. Chris Sweda / Chicago Tribune