what healty food would you intake to prevent diseases like alimentary canal??
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Answer:
One of the best disease fighting foods is dark, leafy greens, which include everything from spinach, kale, and bok choy to dark lettuces. They are loaded with vitamins, minerals, beta-carotene, vitamin C, folate, iron, magnesium, carotenoids, phytochemicals, and antioxidants.
Alice Lichtenstein, DSc, professor of nutrition science and policy at Tufts University.
Disease Fighting Food 1: Berries
Reach for berries for a powerful dose of disease fighting antioxidants. According to a U.S. Department of Agriculture study, blueberries top the list of antioxidant-rich fruits, followed by cranberries, blackberries, raspberries, and strawberries. The color of berries comes from the pigment anthocyanin, an antioxidant that helps neutralize "free radicals" (cell-damaging molecules) that can help lead to chronic diseases, including cancer and heart disease. Berries, particularly cranberries, may also help ward off urinary tract infections.
Enjoy a cup of berries each day, as a snack; atop your cereal or yogurt; in muffins, salads, or smoothies; or as frozen treats.
Dairy foods are not only the best food source of dietary calcium, but also have plenty of protein, vitamins (including vitamin D), and minerals -- key to fighting the disease osteoporosis. The U.S. government's 2005 Dietary Guidelines recommend having three daily servings of low-fat dairy products, as well as doing weight-bearing exercise, to help keep bones strong. (If you can't tolerate dairy, other calcium-containing foods include legumes; dark green leafy vegetables such as kale, broccoli, and collards; and calcium-fortified soy products, juices, and grains.)