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Most people in the U.S. consume more sodium than guidelines recommend, due in part to the sodium content of store-bought packaged foods. Researchers used a national database of household packaged food purchases from 2000 through 2014 to evaluate purchasing habits and the associated sodium content of packaged foods and beverages in about 170,000 households; household members used a barcode scanner to identify specific purchased foods and beverages, each of which was then linked to nutritional label data for nearly 1.5 million products. Whether foods actually were consumed was not assessed.
The amount of sodium acquired from purchased packaged foods, beverages, and table salt declined from about 2400 to 2000 mg daily per person from 2000 throu…