Eighteen hemodialysis patients rated 7 concentrations of salt in soup
immediately before dialysis and 24 h later. Preference ratings were hi
gher after dialysis. Patients over 65 years old did not increase their
ratings. Hypertensive patients increased their preference for salt af
ter dialysis like normotensives, but rated lower concentrations of sal
t as more intense and were less able to discriminate the intensity of
salt taste. The findings suggest that humans may respond to reductions
in bodily sodium with a delayed increase in preference for salt. Copy
right (C) 1996 Elsevier Science Inc.