New York City begins requiring salt warnings

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NEW YORK — New York City begins a new era in nutritional warnings this week as chain restaurants start putting a special symbol on highly salty dishes.

The first-of-its-kind rule takes effect Tuesday, and requires a salt-shaker emblem on some sandwiches, salads and other menu items that top the recommended daily limit of about a teaspoon of sodium.

Experts say most Americans consume too much salt, raising their risks of high blood pressure and heart problems. The plan faces opposition and a potential court challenge from restaurant groups and salt producers.