New York City could become the first city in the U.S. to require a warning label on high-sodium menu items at chain restaurants, health officials told The Associated Press on Tuesday. The city’s Health Department will propose Wednesday that all chain restaurants add a symbol resembling a salt shaker on menus next to food products that contain more than the recommended daily limit of 2,300 milligrams of sodium, equal to about 1 teaspoon of salt.

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