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

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A woman sells bananas at the Kampala Airport. Ugandans eat about a pound of the fruit, on average, per day. Ronald Kabuubi/AP hide caption

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Obesity Is A 'Disease.' Now What?

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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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How many calories in that bite? My Fitness Pal and other fitness and nutrition apps can help find the answer. Heather Rousseau/NPR hide caption

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Patients Lead The Way As Medicine Grapples With Apps

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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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Lebanese bread topped with za'atar, a spice mix ubiquitous in the Middle East. Photostock Israel/Getty Images hide caption

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