The Salt What's On Your Plate

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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Should we drink diet soda or not? The latest study doesn't really clear things up. Justin Sullivan/Getty Images hide caption

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To refrigerate or not to refrigerate? It boils down to bacteria, aesthetics and how much energy you're willing to use. Robert S. Donovan; Flickr / Alex Barth; Flickr hide caption

itoggle caption Robert S. Donovan; Flickr / Alex Barth; Flickr

One of Huddle House's signature dishes is the Philly Cheese Steak Tots: steak covered with cheddar cheese sauce and shredded cheese, on an open-faced omelet with Tater Tots. Huddle House hide caption

itoggle caption Huddle House

Chicks in the Perdue hatchery in Salisbury, Md. The company says an increasing number of its chickens are now raised using "no antibiotics, ever." Dan Charles/NPR hide caption

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There's new evidence reaffirming that eating foods with fat€” from avocados and salmon to dairy fat€” doesn't make us fat. eyecrave LLC/iStockphoto.com hide caption

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An FDA rule effective Aug. 5 states that foods may be labeled "gluten free" only if there's less than 20 parts per million of the protein. James Benet/iStockphoto hide caption

itoggle caption James Benet/iStockphoto

The BACTrack Vio keychain breathalyzer and app on the iPhone at NPR headquarters in Washington, D.C. A public health researcher says tools like this could help people make better decisions about alcohol use. Meredith Rizzo/NPR hide caption

itoggle caption Meredith Rizzo/NPR

Spain's Alberto Contador eats a banana in as he rides in the pack during the sixth stage of the Tour de France on July 10, 2014. The cyclists aim to eat up to 350 calories an hour as they ride, and up to 9,000 calories a day. Laurent Cipriani/AP hide caption

itoggle caption Laurent Cipriani/AP