The study documents in humans what neuroscientists have reported for some time: animals' sodium (salt) intake is controlled by networks in the brain and not by the salt in one's food. The findings have important implications for future U.S. nutrition policy directed at sodium intake.

Findings from the new study, entitled "Normal Range of Human Dietary Sodium Intake: A Perspective Based on 24-hour Urinary Sodium Excretion Worldwide," is published online in advance of the print edition of the American Journal of Hypertension


Salt and the body