Low levels of salt consumption are associated with a higher rate of cardiovascular disease and deaths, European researchers reported Tuesday, but U.S. experts promptly criticized the study, which contradicts the prevailing dietary wisdom. "This study might need to be taken with a grain of salt," Dr. Peter Briss of the Centers for Disease Control and Prevention told the New York Times. Dr. Ralph Sacco of the University of Miami, president of the American Heart Assn., also criticized the study's design and conclusions, noting that the association would continue to stand by its guideline that Americans should consume no more than 1,500 milligrams of salt per day, well below the current average of about 3,500 mg per day. He argued that a vast amount of literature supports the current recommendation and that one study is not sufficient to make any changes in the guidelines.
The level of salt in the diet has been a highly controversial topic for at least two decades. Opponents of salt argue, and several studies have shown, that higher levels of salt increase blood pressure and are associated with higher rates of cardiovascular disease and deaths from heart attacks. Proponents, however, argue that only a small proportion of the population, at best, is susceptible to the deleterious effects of salt and that the rest of the populace should not have to give up the flavor-enhancing effects of the food additive. In that group, some have even suggested, low salt intake might even be deleterious
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