A tiny salt shaker symbol that warns certain meals are high in sodium will begin appearing on menus on Tuesday (December 1), in chain restaurants in New York City, the first U.S. city to take the step in an effort to combat heart disease and stroke. Any menu item containing more than 2,300 milligrams (0.08 oz) of sodium, the daily limit many nutritionists recommend, which equals about one teaspoon of salt, must display the emblem […]