Consuming anywhere from about 2,600 milligrams up to almost 5,000 milligrams of sodium per day is associated with more favorable health outcomes, according to a study. iStockphoto hide caption

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Philadelphia is training owners of Chinese takeout restaurants to cut some of the salt in menu items like lo mein. Stephen Flood/Express-Times/Landov hide caption

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Eat less salt, but not too much less. hide caption

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Nutrition fact labels are good but confusing, consumers say. hide caption

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Prepacked foods marketed for toddlers can have extremely high levels of sodium compared to the 1,500-milligram daily limit recommended by the American Heart Association Daniel M.N. Turner/NPR hide caption

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