This versatile leafy green nourishes your body from head to toe, but it's particularly effective at protecting your vision
. Spinach is rich in antioxidants, including beta-carotene, vitamin C, and vitamin E, which are thought to reduce risk for cataracts and macular degeneration by neutralizing damaging free radicals. Spinach is also a top source of lutein and zeaxanthin, a pair of nutrients that act as "sunscreen" for the eyes by blocking blue-light rays, which can damage the delicate retina area. Mix fresh baby spinach leaves with traditional lettuce to increase your salad's
nutrient quotient — or thaw a box of frozen, chopped spinach and add it to marinara sauce or homemade turkey burgers.