The Full House cast John Stamos, Bob Saget and Dave Coulier are featured in Dannon's Superbowl ad. OikosYogurt/Youtube hide caption

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Charles, Prince of Wales, smells before tasting some ice cream during a visit to Gloucestershire. Maybe he was sniffing for fat? Barry Batchelor/Getty Images hide caption

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Playing outside can help kids — and their parents — maintain a healthy weight. iStockphoto hide caption

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People practice yoga at a fundraiser for a breast cancer foundation in Hong Kong. Ed Jones/Getty Images hide caption

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Choose wisely: What Mom eats during pregnancy can set the stage for obesity in her baby. Meg Vogel/NPR hide caption

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4-MEI, a chemical created during the manufacturing of caramel color used to dye sodas brown, is under new scrutiny. iStockphoto hide caption

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Researchers say that setting your thermostat a little lower can help you burn more calories. iStockphoto hide caption

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Last year, Long John Silver's Big Catch platter — which contained a whopping 33 grams of trans fats — won the dubious distinction of "worst restaurant meal in America" from a health watchdog group. Now, the fast-food chain says it has ditched the unhealthful fats from its menu. Tom Spaulding/Flickr hide caption

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Kendall Schrantz, center, stretches after a class at Downsize Fitness in Fort Worth. Lauren Silverman for NPR hide caption

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Ditching sugar-sweetened drinks in favor of diet ones shaves the empty calories. But it doesn't help if you make up for those calories on your plate. Justin Sullivan/Getty Images hide caption

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Lunch at the West Salem School District in Wisconsin. Michelle Kloser/ for NPR hide caption

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Americans are dining out less and eating at home more, new government research shows. This may mean more family dinners, like this one at the Brown-Spencer home in Mechanicsville, Va. Maggie Starbard/NPR hide caption

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