A player avatar runs on a treadmill in the virtual world of Second Life. Researchers used the online game to see if it could help people maintain weight loss habits in the real world. Courtesy of Univeristy of Kansas Medical Center hide caption

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Can Losing Weight In Your 'Second Life' Help In Your First?

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Front-loading your calories may help you lose weight. Gaelle Cohen/iStockphoto.com hide caption

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To Maximize Weight Loss, Eat Early in The Day, Not Late

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Drinking diet soda and other low-calorie drinks may help you manage weight, but experts say plain old H2O is still the best way to go. Justin Sullivan/Getty Images hide caption

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Swapping Out Sugary Soda For Diet Drinks May Help Tip The Scale In Your Favor

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Eating low-glycemic foods, or foods that take longer to digest, may help you feel fuller for a longer period of time. Robyn Mackenzie/iStockphoto.com hide caption

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Low And Slow May Be The Way To Go When It Comes To Dieting

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FDA Approves First New Weight-Loss Drug In More Than A Decade

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It doesn't take a transcontinental flight to end up out of sync with your body clock. It might just be that you stay up too late. iStockphoto.com hide caption

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Jet-Lagged By Your Social Calendar? Better Check Your Waistline

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Studies show that friends and family gain weight — and lose weight — together. Sean Locke/iStockphoto.com hide caption

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Gain Together, Lose Together: The Weight-Loss 'Halo' Effect

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Diet Drug Qnexa Gets Thumbs-Up From FDA Panel

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The FDA hasn't approved a new weight-loss drug since 1999. In the meantime, Americans' waistlines have continued to grow. M. Spencer Green/AP hide caption

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Weight-Loss Drugs Face High Hurdles At FDA

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Jenny Craig brand ambassador and singer Mariah Carey (left) poses with Dana Fiser, CEO of Jenny Craig, at a press conference in New York City in November. Cindy Ord/Getty Images hide caption

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The Real Holiday Party For Weight-Loss Firms? It's Now

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