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Sleep Munchies: Why It's Harder To Resist Snacks When We're Tired
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Oprah Winfrey arrives at the 87th Academy Awards nominees luncheon at the Beverly Hilton Hotel on Monday, Feb. 2, 2015, in Beverly Hills, Calif. Jordan Strauss/Invision/AP hide caption

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Circadian Surprise: How Our Body Clocks Help Shape Our Waistlines
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Lots Of Seniors Are Overweight, But Few Use Free Counseling For It
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When Bariatric Surgery's Benefits Wane, This Procedure Can Help
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Sure, these Buffalo-chicken-and-kale-stuffed mushrooms look tasty, but they aren't the giant bowl of salt and corn syrup your brain really, really wants. Matthew Mead/AP hide caption

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Belviq, a weight-loss drug from Arena Pharmaceuticals, was approved by the Food and Drug Administration in 2012. With the agency's approval of Saxenda in December, there are four new weight-loss pills available. Arena Pharmaceuticals Inc/Reuters/Landov hide caption

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