How many calories in that doughnut? A Starbucks coffee shop in New York City displays calorie information next to menu items. New FDA rules will require all chain restaurants and similar eating establishments to post calorie labels. Chris Hondros/Getty Images hide caption

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Women who consume eight or more drinks per week are considered excessive drinkers, according to the CDC. Breast cancer, liver disease and heart disease have all been linked to excessive drinking over time. Ann Boyajian/Illustration Works/Corbis hide caption

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Revolution Foods makes healthy kids meals for both schools and stores. Co-founder Kristin Richmond says mentoring and support have been key to the success of her business. Shelly Puri/Courtesy of Revolution Foods hide caption

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Global food giant Unilever, which owns the ubiquitous Hellmann's brand, is suing Hampton Creek, the maker of Just Mayo, an egg-free spread made from peas, sorghum and other plants. Richard Levine/Corbis; Courtesy of Hampton Creek hide caption

itoggle caption Richard Levine/Corbis; Courtesy of Hampton Creek

Celebrity chefs (from left) Jose Andres, Carla Hall and Anthony Bourdain rev up the crowd at last year's Capital Food Fight fundraising event for DC Central Kitchen. The nonprofit's fortunes have risen alongside those of its celebrity chef fans. DC Central Kitchen/Flickr hide caption

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Berkeley's efforts to pass a penny-per-ounce tax on sugary drinks faced opposition with deep pockets — but it also got sizable cash infusions from some big-name donors. Justin Sullivan/Getty Images hide caption

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Dr. Curtis Chan, a dentist in Del Mar, Calif., loads up a truck with 5,456 pounds of candy to deliver to Operation Gratitude during the Halloween Candy Buyback on Nov. 8 last year. Chan personally collected 3,542 pounds of candy from patients. Courtesy of Curtis Chan hide caption

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Even versions of Zi Xiu Tang Bee Pollen labeled "genuine" and "anti-counterfeit" have been found to contain the drug sibutramine, which was supposed to come off the U.S. market in 2010 for safety reasons. Food and Drug Administration hide caption

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Would you think twice about that 20-ounce soda if you were informed that it would take 5 miles of walking — or 50 minutes of running — to burn it off? Justin Sullivan/Getty Images hide caption

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A sign displaying calorie counts is seen in a Subway restaurant in New York City in 2008. A yet-to-be-finalized federal rule requiring big chain restaurants to post calorie counts has likely led eateries to tweak their menus. Mario Tama/Getty Images hide caption

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