Studies say just 30 minutes of walking a day can reduce several lifestyle diseases many Americans are living with. iStockphoto.com hide caption

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The U.S. Department of Agriculture says it will give schools alternatives to ground beef made with what critics have called "pink slime." mcnsonbrg@yahoo.com/iStockphoto.com hide caption

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Research from Penn State finds heavily spiced meals — think chicken curry with lots of turmeric, or desserts rich in cinnamon and cloves — may do the heart good. iStockphoto.com hide caption

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The Know Your Farmer interactive map shows USDA-supported projects and programs related to local and regional food systems for the years 2009-2011. USDA hide caption

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A tax proposal on the table in Massachusetts could discourage sugar consumption a bit by making sugary foods more expensive. Umberto Salvagnin/Flickr hide caption

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Americans eat about 31 pounds of cheese per person each year, according to the U.S. Department of Agriculture. iStockphoto.com hide caption

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