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

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PepsiCo's product line ranges from salty chips and its sugary namesake drink to more healthful fare like hummus and yogurt. In 2010, the company announced plans to cut sugar, fat and sodium in its products to address health and nutrition concerns. Joe Raedle/Getty Images hide caption

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The bar at a surprise birthday party for Teen Wolf's Stephen Lunsford, presented by Monster Energy last November in Los Angeles. Todd Williamson/Invision/AP hide caption

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Adults who upped their intake of sugary foods or drank sugar-sweetened drinks gained about a pound a year, a study found. Umberto Salvagnin/Flickr hide caption

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City officials say Palisades Park in Santa Monica, Calif., is being overrun by people participating in fitness training, including boot camps, yoga classes and massage therapy sessions. Jae C. Hong/AP hide caption

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Regular consumption of blueberries, such as these found at Butler's Orchard in Maryland, may prevent heart attacks in middle-aged women. Maggie Starbard/NPR hide caption

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Students are drinking more coffee to stay awake. hide caption

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