Urine sodium excretion increased slightly among U.S. adults between 1988 and 2010.
Pfeiffer CM, Hughes JP, Cogswell ME, Burt VL, Lacher DA, Lavoie DJ, Rabinowitz DJ, Johnson CL, Pirkle JL. Urine sodium excretion increased slightly among U.S. adults between 1988 and 2010. J Nutr. 2014 May; 144(5):698-705.