Eating refined carbohydrates like bagels may stimulate brain regions involved in reward and cravings, research suggests. iStockphoto.com hide caption

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Researchers at Rice University conducted lab studies using light-dark cycles to try to coax more beneficial compounds out of fruits and vegetables. Heather Rousseau/NPR hide caption

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How Circadian Rhythms Give Vegetables A Healthy Boost

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AMA Officially Recognizes Obesity As A Disease

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Delicious — in moderation, folks. Randy Bayne/Flicker Creative Commons hide caption

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Hot Dogs, Bacon And Red Meat Tied To Increased Diabetes Risk

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At left: Beyond Eggs' egg-substitute product, a powder made of pulverized plant-based compounds. Right: Mother Nature's version. Cody Pickens/Beyond Eggs hide caption

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Why Bill Gates Is Investing In Chicken-Less Eggs

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Stefan Larsson serves up bison sloppy Joes and juniper-smoked bison tenderloin, which will be offered at the Yellowstone National Park this summer. Each park will have different menus featuring local foods. Maggie Starbard/NPR hide caption

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Hold The Hot Dog: National Park Visitors Can Feast On Bison Burgers

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An Illinois corn and soybean farmer walks to his tractor while cultivating his field. Seth Perlman/AP hide caption

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Congress Poised To Make Crop Insurance Subsidies More Generous

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Share a Coke with ... (enter name here). Darren Foreman (left), Elliott Brown (middle), teigan (top right), ☼zlady (bottom left) via Flickr hide caption

toggle caption Darren Foreman (left), Elliott Brown (middle), teigan (top right), ☼zlady (bottom left) via Flickr