For many, it's as essential to a meal as knives and forks. A die-hard few won't even taste their food without it. But most of us know by now that we should go easy on salt if we want to avoid high blood pressure.
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What's the story with... hidden salt?
They fuel the British economy, but sandwiches could be bad for you. Tests this week have left a sour taste in the mouth of health lobbyists, reports Rebecca McQuillan .
